Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

12 files changed, 9020 insertions, 0 deletions

diff --git a/plug-ins/metadata/Makefile.am b/plug-ins/metadata/Makefile.am
new file mode 100644
index 0000000..23e00f2
--- /dev/null
+++ b/plug-ins/metadata/Makefile.am
@@ -0,0 +1,82 @@
+## Process this file with automake to produce Makefile.in
+
+if OS_WIN32
+mwindows = -mwindows
+else
+libm = -lm
+endif
+
+libgimpui = $(top_builddir)/libgimp/libgimpui-$(GIMP_API_VERSION).la
+libgimpconfig = $(top_builddir)/libgimpconfig/libgimpconfig-$(GIMP_API_VERSION).la
+libgimpwidgets = $(top_builddir)/libgimpwidgets/libgimpwidgets-$(GIMP_API_VERSION).la
+libgimp = $(top_builddir)/libgimp/libgimp-$(GIMP_API_VERSION).la
+libgimpcolor = $(top_builddir)/libgimpcolor/libgimpcolor-$(GIMP_API_VERSION).la
+libgimpbase = $(top_builddir)/libgimpbase/libgimpbase-$(GIMP_API_VERSION).la
+libgimpmath = $(top_builddir)/libgimpmath/libgimpmath-$(GIMP_API_VERSION).la
+
+if HAVE_WINDRES
+include $(top_srcdir)/build/windows/gimprc-plug-ins.rule
+metadata_editor_RC = metadata-editor.rc.o
+metadata_viewer_RC = metadata-viewer.rc.o
+endif
+
+AM_LDFLAGS = $(mwindows)
+
+me_libexecdir = $(gimpplugindir)/plug-ins/metadata-editor
+mv_libexecdir = $(gimpplugindir)/plug-ins/metadata-viewer
+
+me_libexec_PROGRAMS = metadata-editor
+mv_libexec_PROGRAMS = metadata-viewer
+
+metadata_editor_SOURCES = \
+	metadata-editor.c	\
+	metadata-editor.h	\
+	metadata-impexp.c	\
+	metadata-impexp.h	\
+	metadata-misc.h		\
+	metadata-tags.c		\
+	metadata-tags.h		\
+	metadata-xml.c		\
+	metadata-xml.h
+
+metadata_viewer_SOURCES = \
+	metadata-viewer.c	\
+	metadata-tags.c		\
+	metadata-tags.h
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)	\
+	$(GTK_CFLAGS)	\
+	$(GEGL_CFLAGS)	\
+	-I$(includedir)
+
+metadata_viewer_LDADD = \
+	$(libm)			\
+	$(libgimpui)		\
+	$(libgimpwidgets)	\
+	$(libgimpconfig)	\
+	$(libgimp)		\
+	$(libgimpcolor)		\
+	$(libgimpmath)		\
+	$(libgimpbase)		\
+	$(GTK_LIBS)		\
+	$(GEXIV2_LIBS)		\
+	$(RT_LIBS)		\
+	$(INTLLIBS)		\
+	$(metadata_viewer_RC)
+
+metadata_editor_LDADD = \
+	$(libm)			\
+	$(libgimpui)		\
+	$(libgimpwidgets)	\
+	$(libgimpconfig)	\
+	$(libgimp)		\
+	$(libgimpcolor)		\
+	$(libgimpmath)		\
+	$(libgimpbase)		\
+	$(GTK_LIBS)		\
+	$(GEXIV2_LIBS)		\
+	$(RT_LIBS)		\
+	$(INTLLIBS)		\
+	$(metadata_editor_RC)
+
diff --git a/plug-ins/metadata/Makefile.in b/plug-ins/metadata/Makefile.in
new file mode 100644
index 0000000..8d8e2e6
--- /dev/null
+++ b/plug-ins/metadata/Makefile.in
@@ -0,0 +1,1114 @@
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
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+
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+
+# This Makefile.in is free software; the Free Software Foundation
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+
+# This program is distributed in the hope that it will be useful,
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+mv_libexecdir = $(gimpplugindir)/plug-ins/metadata-viewer
+metadata_editor_SOURCES = \
+	metadata-editor.c	\
+	metadata-editor.h	\
+	metadata-impexp.c	\
+	metadata-impexp.h	\
+	metadata-misc.h		\
+	metadata-tags.c		\
+	metadata-tags.h		\
+	metadata-xml.c		\
+	metadata-xml.h
+
+metadata_viewer_SOURCES = \
+	metadata-viewer.c	\
+	metadata-tags.c		\
+	metadata-tags.h
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)	\
+	$(GTK_CFLAGS)	\
+	$(GEGL_CFLAGS)	\
+	-I$(includedir)
+
+metadata_viewer_LDADD = \
+	$(libm)			\
+	$(libgimpui)		\
+	$(libgimpwidgets)	\
+	$(libgimpconfig)	\
+	$(libgimp)		\
+	$(libgimpcolor)		\
+	$(libgimpmath)		\
+	$(libgimpbase)		\
+	$(GTK_LIBS)		\
+	$(GEXIV2_LIBS)		\
+	$(RT_LIBS)		\
+	$(INTLLIBS)		\
+	$(metadata_viewer_RC)
+
+metadata_editor_LDADD = \
+	$(libm)			\
+	$(libgimpui)		\
+	$(libgimpwidgets)	\
+	$(libgimpconfig)	\
+	$(libgimp)		\
+	$(libgimpcolor)		\
+	$(libgimpmath)		\
+	$(libgimpbase)		\
+	$(GTK_LIBS)		\
+	$(GEXIV2_LIBS)		\
+	$(RT_LIBS)		\
+	$(INTLLIBS)		\
+	$(metadata_editor_RC)
+
+all: all-am
+
+.SUFFIXES:
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+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(top_srcdir)/build/windows/gimprc-plug-ins.rule $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu plug-ins/metadata/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu plug-ins/metadata/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
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+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
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+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(me_libexecdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(me_libexecdir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(me_libexecdir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(me_libexecdir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-me_libexecPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(me_libexec_PROGRAMS)'; test -n "$(me_libexecdir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(me_libexecdir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(me_libexecdir)" && rm -f $$files
+
+clean-me_libexecPROGRAMS:
+	@list='$(me_libexec_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+install-mv_libexecPROGRAMS: $(mv_libexec_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	@list='$(mv_libexec_PROGRAMS)'; test -n "$(mv_libexecdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(mv_libexecdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(mv_libexecdir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(mv_libexecdir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(mv_libexecdir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-mv_libexecPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(mv_libexec_PROGRAMS)'; test -n "$(mv_libexecdir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(mv_libexecdir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(mv_libexecdir)" && rm -f $$files
+
+clean-mv_libexecPROGRAMS:
+	@list='$(mv_libexec_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+metadata-editor$(EXEEXT): $(metadata_editor_OBJECTS) $(metadata_editor_DEPENDENCIES) $(EXTRA_metadata_editor_DEPENDENCIES) 
+	@rm -f metadata-editor$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(metadata_editor_OBJECTS) $(metadata_editor_LDADD) $(LIBS)
+
+metadata-viewer$(EXEEXT): $(metadata_viewer_OBJECTS) $(metadata_viewer_DEPENDENCIES) $(EXTRA_metadata_viewer_DEPENDENCIES) 
+	@rm -f metadata-viewer$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(metadata_viewer_OBJECTS) $(metadata_viewer_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/metadata-editor.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/metadata-impexp.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/metadata-tags.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/metadata-viewer.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/metadata-xml.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+	for dir in "$(DESTDIR)$(me_libexecdir)" "$(DESTDIR)$(mv_libexecdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-me_libexecPROGRAMS \
+	clean-mv_libexecPROGRAMS mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/metadata-editor.Po
+	-rm -f ./$(DEPDIR)/metadata-impexp.Po
+	-rm -f ./$(DEPDIR)/metadata-tags.Po
+	-rm -f ./$(DEPDIR)/metadata-viewer.Po
+	-rm -f ./$(DEPDIR)/metadata-xml.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-me_libexecPROGRAMS install-mv_libexecPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/metadata-editor.Po
+	-rm -f ./$(DEPDIR)/metadata-impexp.Po
+	-rm -f ./$(DEPDIR)/metadata-tags.Po
+	-rm -f ./$(DEPDIR)/metadata-viewer.Po
+	-rm -f ./$(DEPDIR)/metadata-xml.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-me_libexecPROGRAMS \
+	uninstall-mv_libexecPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-me_libexecPROGRAMS \
+	clean-mv_libexecPROGRAMS cscopelist-am ctags ctags-am \
+	distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-me_libexecPROGRAMS \
+	install-mv_libexecPROGRAMS install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am \
+	uninstall-me_libexecPROGRAMS uninstall-mv_libexecPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# `windres` seems a very stupid tool and it breaks with double shlashes
+# in parameter paths. Strengthen the rule a little.
+@HAVE_WINDRES_TRUE@%.rc.o:
+@HAVE_WINDRES_TRUE@	$(WINDRES) --define ORIGINALFILENAME_STR="$*$(EXEEXT)" \
+@HAVE_WINDRES_TRUE@		--define INTERNALNAME_STR="$*" \
+@HAVE_WINDRES_TRUE@		--define TOP_SRCDIR="`echo $(top_srcdir) | sed 's*//*/*'`" \
+@HAVE_WINDRES_TRUE@		-I"`echo $(top_srcdir)/app | sed 's%/\+%/%'`" \
+@HAVE_WINDRES_TRUE@		-I"`echo $(top_builddir)/app | sed 's%/\+%/%'`"\
+@HAVE_WINDRES_TRUE@		-I"`echo $(top_builddir) | sed 's%/\+%/%'`"\
+@HAVE_WINDRES_TRUE@		$(GIMPPLUGINRC) $@
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/plug-ins/metadata/metadata-editor.c b/plug-ins/metadata/metadata-editor.c
new file mode 100644
index 0000000..87a2e87
--- /dev/null
+++ b/plug-ins/metadata/metadata-editor.c
@@ -0,0 +1,4757 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * metadata-editor.c
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+#include <gexiv2/gexiv2.h>
+
+#include <glib.h>
+#include <glib/gstdio.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+#include "metadata-tags.h"
+#include "metadata-xml.h"
+#include "metadata-impexp.h"
+#include "metadata-misc.h"
+
+#define PLUG_IN_PROC            "plug-in-metadata-editor"
+#define PLUG_IN_BINARY          "metadata-editor"
+#define PLUG_IN_ROLE            "gimp-metadata"
+
+#define DEFAULT_TEMPLATE_FILE   "gimp_metadata_template.xml"
+
+/*  local function prototypes  */
+
+static void       query                          (void);
+static void       run                            (const gchar          *name,
+                                                  gint                 nparams,
+                                                  const GimpParam     *param,
+                                                  gint                *nreturn_vals,
+                                                  GimpParam          **return_vals);
+
+static gboolean metadata_editor_dialog           (gint32               image_id,
+                                                  GimpMetadata        *metadata,
+                                                  GError             **error);
+
+static void metadata_dialog_editor_set_metadata  (GExiv2Metadata      *metadata,
+                                                  GtkBuilder          *builder);
+
+void metadata_editor_write_callback              (GtkWidget           *dialog,
+                                                  GtkBuilder          *builder,
+                                                  gint32               image_id);
+
+static void impex_combo_callback                (GtkComboBoxText      *combo,
+                                                 gpointer              data);
+
+static void gpsaltsys_combo_callback            (GtkComboBoxText      *combo,
+                                                 gpointer              data);
+
+static void remove_substring                    (const gchar          *string,
+                                                 const gchar          *substring);
+
+static gchar * clean_xmp_string                 (const gchar          *value);
+static gchar ** split_metadata_string           (gchar                *value);
+static void     add_to_store                    (gchar                *value,
+                                                 GtkListStore         *liststore,
+                                                 gint                  store_column);
+
+static void     set_tag_string                  (GimpMetadata         *metadata,
+                                                 const gchar          *name,
+                                                 const gchar          *value);
+
+static gchar *  get_phonetype                   (gchar                *cur_value);
+
+static void     write_metadata_tag              (GtkBuilder           *builder,
+                                                 GimpMetadata         *metadata,
+                                                 gchar                *tag,
+                                                 gint                  data_column);
+
+static void     write_metadata_tag_multiple     (GtkBuilder           *builder,
+                                                 GimpMetadata         *metadata,
+                                                 GExiv2StructureType   type,
+                                                 const gchar          *header_tag,
+                                                 gint                  n_columns,
+                                                 const gchar         **column_tags,
+                                                 const gint            special_handling[]);
+
+gboolean hasCreatorTagData                      (GtkBuilder           *builder);
+gboolean hasLocationCreationTagData             (GtkBuilder           *builder);
+gboolean hasImageSupplierTagData                (GtkBuilder           *builder);
+
+void on_date_button_clicked                     (GtkButton            *widget,
+                                                 GtkWidget            *entry_widget,
+                                                 gchar                *tag);
+
+void on_create_date_button_clicked              (GtkButton            *widget,
+                                                 gpointer              data);
+
+void on_patient_dob_date_button_clicked         (GtkButton            *widget,
+                                                 gpointer              data);
+
+void on_study_date_button_clicked               (GtkButton            *widget,
+                                                 gpointer              data);
+
+void on_series_date_button_clicked              (GtkButton            *widget,
+                                                 gpointer              data);
+
+
+static void
+property_release_id_remove_callback             (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+property_release_id_add_callback                (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+model_release_id_remove_callback                (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+model_release_id_add_callback                   (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+shown_location_remove_callback                  (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+shown_location_add_callback                     (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+feat_org_name_add_callback                      (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+feat_org_name_remove_callback                   (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+feat_org_code_add_callback                      (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+feat_org_code_remove_callback                   (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+artwork_object_add_callback                     (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+artwork_object_remove_callback                  (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+reg_entry_add_callback                          (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+reg_entry_remove_callback                       (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+image_creator_add_callback                      (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+image_creator_remove_callback                   (GtkWidget            *widget,
+                                                 gpointer              data);
+
+static void
+copyright_own_add_callback                      (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+copyright_own_remove_callback                   (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+licensor_add_callback                           (GtkWidget            *widget,
+                                                 gpointer              data);
+static void
+licensor_remove_callback                        (GtkWidget            *widget,
+                                                 gpointer              data);
+
+static void
+list_row_remove_callback                        (GtkWidget            *widget,
+                                                 gpointer              data,
+                                                 gchar                *tag);
+
+static void
+list_row_add_callback                           (GtkWidget            *widget,
+                                                 gpointer              data,
+                                                 gchar                *tag);
+
+static gint
+count_tags                                      (GExiv2Metadata       *metadata,
+                                                 const gchar          *header,
+                                                 const gchar         **tags,
+                                                 int                   items);
+
+static gchar **
+get_tags                                        (GExiv2Metadata       *metadata,
+                                                 const gchar          *header,
+                                                 const gchar         **tags,
+                                                 const int             items,
+                                                 const int             count);
+
+static void
+free_tagdata                                    (gchar               **tagdata,
+                                                 gint                  rows,
+                                                 gint                  cols);
+
+gboolean
+hasModelReleaseTagData                          (GtkBuilder           *builder);
+
+gboolean
+hasPropertyReleaseTagData                       (GtkBuilder           *builder);
+
+static void
+organisation_image_code_cell_edited_callback    (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+organisation_image_name_cell_edited_callback    (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+prop_rel_id_cell_edited_callback                (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+loc_sho_sub_loc_cell_edited_callback            (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+loc_sho_city_cell_edited_callback               (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+loc_sho_state_prov_cell_edited_callback         (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+loc_sho_cntry_cell_edited_callback              (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+loc_sho_cntry_iso_cell_edited_callback          (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+reg_org_id_cell_edited_callback                 (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+reg_item_id_cell_edited_callback                (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+aoo_title_cell_edited_callback                  (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+aoo_copyright_notice_cell_edited_callback       (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+aoo_source_inv_cell_edited_callback             (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+aoo_source_cell_edited_callback                 (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+aoo_creator_cell_edited_callback                (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+aoo_date_creat_cell_edited_callback             (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+cr_owner_name_cell_edited_callback              (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+cr_owner_id_cell_edited_callback                (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_name_cell_edited_callback              (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_id_cell_edited_callback                (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_phone1_cell_edited_callback            (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_phone_type1_cell_edited_callback       (GtkCellRendererCombo *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_phone2_cell_edited_callback            (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_phone_type2_cell_edited_callback       (GtkCellRendererCombo *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_email_cell_edited_callback             (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+static void
+licensor_web_cell_edited_callback               (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data);
+
+void
+cell_edited_callback                            (GtkCellRendererText  *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data,
+                                                 int                   index);
+
+void
+cell_edited_callback_combo                      (GtkCellRendererCombo *cell,
+                                                 const gchar          *path_string,
+                                                 const gchar          *new_text,
+                                                 gpointer              data,
+                                                 int                   index);
+
+
+/* local variables */
+
+static int last_gpsaltsys_sel;
+
+gboolean gimpmetadata;
+gboolean force_write;
+
+static const gchar *lang_default = "lang=\"x-default\"";
+static const gchar *seq_default = "type=\"Seq\"";
+static const gchar *bag_default = "type=\"Bag\"";
+
+metadata_editor meta_args;
+
+#define ME_LOG_DOMAIN "metadata-editor"
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+  NULL,  /* init_proc  */
+  NULL,  /* quit_proc  */
+  query, /* query_proc */
+  run,   /* run_proc   */
+};
+
+/* ============================================================================
+ * ==[           ]=============================================================
+ * ==[ FUNCTIONS ]=============================================================
+ * ==[           ]=============================================================
+ * ============================================================================
+ */
+
+
+MAIN ()
+
+/* ============================================================================
+ * ==[ QUERY ]=================================================================
+ * ============================================================================
+ */
+
+static void
+query (void)
+{
+  static const GimpParamDef metadata_args[] =
+  {
+    { GIMP_PDB_INT32, "run-mode", "Run mode { RUN-INTERACTIVE (0) }" },
+    { GIMP_PDB_IMAGE, "image",    "Input image"                      }
+  };
+
+  gimp_install_procedure (PLUG_IN_PROC,
+                          N_("Edit metadata (IPTC, EXIF, XMP)"),
+                          "Edit metadata information attached to the "
+                          "current image. Some or all of this metadata "
+                          "will be saved in the file, depending on the output "
+                          "file format.",
+                          "Ben Touchette",
+                          "Ben Touchette",
+                          "2017",
+                          N_("_Edit Metadata"),
+                          "*",
+                          GIMP_PLUGIN,
+                          G_N_ELEMENTS (metadata_args), 0,
+                          metadata_args, NULL);
+
+  gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Image/Metadata");
+}
+
+/* ============================================================================
+ * ==[ RUN ]===================================================================
+ * ============================================================================
+ */
+
+static void
+run (const gchar      *name,
+     gint              nparams,
+     const GimpParam  *param,
+     gint             *nreturn_vals,
+     GimpParam       **return_vals)
+{
+  static GimpParam   values[2];
+  GimpPDBStatusType  status = GIMP_PDB_SUCCESS;
+  GError            *error  = NULL;
+
+  *nreturn_vals = 1;
+  *return_vals  = values;
+
+  values[0].type          = GIMP_PDB_STATUS;
+  values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
+
+  force_write = FALSE;
+
+  INIT_I18N ();
+  gimp_ui_init (PLUG_IN_BINARY, TRUE);
+
+  if (! strcmp (name, PLUG_IN_PROC))
+    {
+      GimpMetadata *metadata;
+      gint32        image_ID = param[1].data.d_image;
+
+      metadata = gimp_image_get_metadata (image_ID);
+
+      /* Always show metadata dialog so we can add
+         appropriate iptc data as needed. Sometimes
+         license data needs to be added after the
+         fact and the image may not contain metadata
+         but should have it added as needed. */
+
+      if (!metadata)
+        {
+          metadata = gimp_metadata_new ();
+          gimp_image_set_metadata (image_ID, metadata);
+        }
+
+      if (metadata_editor_dialog (image_ID, metadata, &error))
+        status = GIMP_PDB_SUCCESS;
+      else
+        {
+          status = GIMP_PDB_EXECUTION_ERROR;
+          if (error)
+            {
+             *nreturn_vals = 2;
+              values[1].type          = GIMP_PDB_STRING;
+              values[1].data.d_string = error->message;
+            }
+        }
+    }
+  else
+    {
+      status = GIMP_PDB_CALLING_ERROR;
+    }
+
+  values[0].data.d_status = status;
+}
+
+/* ============================================================================
+ * ==[ EDITOR DIALOG UI ]======================================================
+ * ============================================================================
+ */
+
+static GtkWidget *
+builder_get_widget (GtkBuilder  *builder,
+                    const gchar *name)
+{
+  GObject *object = gtk_builder_get_object (builder, name);
+
+  return GTK_WIDGET (object);
+}
+
+static gboolean
+metadata_editor_dialog (gint32         image_id,
+                        GimpMetadata  *g_metadata,
+                        GError       **error)
+{
+  GtkBuilder     *builder;
+  GtkWidget      *dialog;
+  GtkWidget      *metadata_vbox;
+  GtkWidget      *impex_combo;
+  GtkWidget      *content_area;
+  GExiv2Metadata *metadata;
+  gchar          *ui_file;
+  gchar          *title;
+  gchar          *name;
+  GError         *local_error = NULL;
+  gboolean        run;
+
+  metadata = GEXIV2_METADATA (g_metadata);
+
+  builder = gtk_builder_new ();
+
+  meta_args.image_id = image_id;
+  meta_args.builder = builder;
+  meta_args.metadata = metadata;
+  meta_args.filename = g_strconcat (g_get_home_dir (), "/", DEFAULT_TEMPLATE_FILE,
+                                    NULL);
+
+  ui_file = g_build_filename (gimp_data_directory (),
+                              "ui", "plug-ins", "plug-in-metadata-editor.ui", NULL);
+
+  if (! gtk_builder_add_from_file (builder, ui_file, &local_error))
+    {
+      if (! local_error)
+        local_error = g_error_new_literal (G_FILE_ERROR, 0,
+                                           _("Error loading metadata-editor dialog."));
+      g_propagate_error (error, local_error);
+
+      g_free (ui_file);
+      g_object_unref (builder);
+      return FALSE;
+    }
+
+  g_free (ui_file);
+
+  name = gimp_image_get_name (image_id);
+  title = g_strdup_printf (_("Metadata Editor: %s"), name);
+  if (name)
+    g_free (name);
+
+  dialog = gimp_dialog_new (title,
+                            "gimp-metadata-editor-dialog",
+                            NULL, 0,
+                            gimp_standard_help_func, PLUG_IN_PROC,
+                            _("_Cancel"),         GTK_RESPONSE_CANCEL,
+                            _("_Write Metadata"), GTK_RESPONSE_OK,
+                            NULL);
+
+  meta_args.dialog = dialog;
+
+  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
+  gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+                                            GTK_RESPONSE_OK,
+                                            GTK_RESPONSE_CANCEL,
+                                            -1);
+
+  gimp_window_set_transient (GTK_WINDOW (dialog));
+
+  if (title)
+    g_free (title);
+
+  content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
+
+  metadata_vbox = builder_get_widget (builder, "metadata-vbox");
+  impex_combo   = builder_get_widget (builder, "impex_combo");
+
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (impex_combo),
+                                  _("Select:"));
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (impex_combo),
+                                  _("Import metadata"));
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (impex_combo),
+                                  _("Export metadata"));
+  gtk_combo_box_set_active (GTK_COMBO_BOX (impex_combo), 0);
+
+  g_signal_connect (G_OBJECT (impex_combo),
+                    "changed", G_CALLBACK (impex_combo_callback), &meta_args);
+
+  gtk_container_set_border_width (GTK_CONTAINER (metadata_vbox), 12);
+  gtk_box_pack_start (GTK_BOX (content_area), metadata_vbox, TRUE, TRUE, 0);
+
+  metadata_dialog_editor_set_metadata (metadata, builder);
+
+  run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
+  if (run)
+    {
+      metadata_editor_write_callback (dialog, builder, image_id);
+    }
+
+  if (meta_args.filename)
+    {
+      g_free (meta_args.filename);
+    }
+
+  return TRUE;
+}
+
+/* ============================================================================
+ * ==[                   ]=====================================================
+ * ==[ PRIVATE FUNCTIONS ]=====================================================
+ * ==[                   ]=====================================================
+ * ============================================================================
+ */
+static void
+remove_substring (const gchar *string,
+                  const gchar *substring)
+{
+  if (string != NULL && substring != NULL && substring[0] != '\0')
+    {
+      gchar *p = strstr (string, substring);
+      if (p)
+        {
+          memmove (p, p + strlen (substring), strlen (p + strlen (substring)) + 1);
+        }
+    }
+}
+
+static gchar *
+clean_xmp_string (const gchar *value)
+{
+  gchar *value_clean;
+  gchar *value_utf8;
+
+  value_clean = g_strdup (value);
+
+  if (strstr (value_clean, lang_default) != NULL)
+    {
+      remove_substring (value_clean, lang_default);
+      if (strstr (value_clean, " ") != NULL)
+        {
+          remove_substring (value_clean, " ");
+        }
+    }
+
+  if (strstr (value_clean, bag_default) != NULL)
+    {
+      remove_substring (value_clean, bag_default);
+      if (strstr (value_clean, " ") != NULL)
+        {
+          remove_substring (value_clean, " ");
+        }
+    }
+
+  if (strstr (value_clean, seq_default) != NULL)
+    {
+      remove_substring (value_clean, seq_default);
+      if (strstr (value_clean, " ") != NULL)
+        {
+          remove_substring (value_clean, " ");
+        }
+    }
+
+  if (! g_utf8_validate (value_clean, -1, NULL))
+    {
+      value_utf8 = g_locale_to_utf8 (value_clean, -1, NULL, NULL, NULL);
+    }
+  else
+    {
+      value_utf8 = g_strdup (value_clean);
+    }
+
+  g_free (value_clean);
+
+  return value_utf8;
+}
+
+/* We split a string and accept "," and ";" as delimiters.
+ * The result needs to be freed with g_strfreev.
+ */
+static gchar **
+split_metadata_string (gchar *value)
+{
+  gchar  **split;
+  gint     item;
+
+  /* Can't use g_strsplit_set since we work with utf-8 here. */
+  split = g_strsplit (g_strdelimit (value, ";", ','), ",", 0);
+
+  for (item = 0; split[item]; item++)
+    {
+      split[item] = g_strstrip(split[item]);
+    }
+
+  return split;
+}
+
+static void
+add_to_store (gchar *value, GtkListStore *liststore, gint store_column)
+{
+  gchar       **strings;
+  gint          cnt = 0;
+  gint          item;
+  GtkTreeIter   iter;
+
+  if (value)
+    {
+      strings = split_metadata_string (value);
+      if (strings)
+        {
+          for (item = 0; strings[item]; item++)
+            {
+              if (strings[item][0] != '\0')
+                {
+                  cnt++;
+
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      store_column, strings[item],
+                                      -1);
+                }
+            }
+          g_strfreev(strings);
+        }
+    }
+
+  /* If there are less than two rows, add empty ones. */
+  for (item = cnt; item < 2; item++)
+    {
+      gtk_list_store_append (liststore, &iter);
+      gtk_list_store_set (liststore, &iter,
+                          store_column, NULL,
+                          -1);
+    }
+}
+
+static gint
+count_tags (GExiv2Metadata  *metadata,
+            const gchar     *header,
+            const gchar    **tags,
+            gint             items)
+{
+  int   tagcount;
+  gchar tag[256];
+  int   row, col;
+
+  tagcount = 0;
+  for (row = 1; row < 256; row++)
+    {
+      for (col = 0; col < items; col++)
+        {
+          g_snprintf ((gchar *) &tag, 256, "%s[%d]", header, row);
+          g_snprintf ((gchar *) &tag, 256, "%s%s",
+                      (gchar *) &tag, (gchar *) tags[col]);
+          if (gexiv2_metadata_has_tag (metadata, (gchar *) &tag))
+            {
+              tagcount++;
+              break;
+            }
+        }
+    }
+  return tagcount;
+}
+
+static gchar **
+get_tags (GExiv2Metadata  *metadata,
+          const gchar     *header,
+          const gchar    **tags,
+          const gint       items,
+          const gint       count)
+{
+  gchar **tagdata;
+  gchar **_datarow;
+  gchar   tag[256];
+  int     row, col;
+
+  g_return_val_if_fail (header != NULL && tags != NULL, NULL);
+  g_return_val_if_fail (items > 0, NULL);
+
+  if (count <= 0)
+    return NULL;
+  tagdata = g_new0 (gchar *, count);
+  if (! tagdata)
+    return NULL;
+
+  for (row = 1; row < count + 1; row++)
+    {
+      tagdata[row-1] = g_malloc0 (sizeof (gchar *) * items);
+      for (col = 0; col < items; col++)
+        {
+          gchar *value;
+
+          g_snprintf ((gchar *) &tag, 256, "%s[%d]", header, row);
+          g_snprintf ((gchar *) &tag, 256, "%s%s",
+                      (gchar *) &tag, (gchar *) tags[col]);
+
+          value = gexiv2_metadata_get_tag_string (metadata, (gchar *) &tag);
+          g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "get_tags tag: %s, value: %s", (gchar *) &tag, value);
+
+          _datarow = (gchar **) tagdata[row-1];
+          if (_datarow)
+            _datarow[col] = strdup (value);
+        }
+    }
+  return tagdata;
+}
+
+static void
+free_tagdata(gchar **tagdata, gint rows, gint cols)
+{
+  gint    row, col;
+  gchar **tagdatarow;
+
+  for (row = 0; row < rows; row++)
+    {
+      tagdatarow = (gpointer) tagdata[row];
+
+      for (col = 0; col < cols; col++)
+        {
+          g_free (tagdatarow[col]);
+        }
+      g_free (tagdatarow);
+    }
+  g_free (tagdata);
+}
+
+/* ============================================================================
+ * ==[ DATE CALLBACKS ]========================================================
+ * ============================================================================
+ */
+void
+on_create_date_button_clicked (GtkButton *widget,
+                               gpointer   data)
+{
+  on_date_button_clicked (widget, (GtkWidget*)data,
+                          "Xmp.photoshop.DateCreated");
+}
+
+void
+on_patient_dob_date_button_clicked (GtkButton *widget,
+                                    gpointer   data)
+{
+  on_date_button_clicked (widget, (GtkWidget*)data,
+                          "Xmp.DICOM.PatientDOB");
+}
+
+void
+on_study_date_button_clicked (GtkButton *widget,
+                              gpointer   data)
+{
+  on_date_button_clicked (widget, (GtkWidget*)data,
+                          "Xmp.DICOM.StudyDateTime");
+}
+
+void
+on_series_date_button_clicked (GtkButton *widget,
+                               gpointer   data)
+{
+  on_date_button_clicked (widget, (GtkWidget*)data,
+                          "Xmp.DICOM.SeriesDateTime");
+}
+
+void
+on_date_button_clicked (GtkButton *widget,
+                        GtkWidget *entry_widget,
+                        gchar     *tag)
+{
+  GtkBuilder     *builder;
+  GtkWidget      *calendar_dialog;
+  GtkWidget      *calendar_content_area;
+  GtkWidget      *calendar_vbox;
+  GtkWidget      *calendar;
+  const gchar    *date_text;
+  gchar          *ui_file;
+  GError         *error = NULL;
+  GDateTime      *current_datetime;
+  guint           year, month, day;
+
+  builder = gtk_builder_new ();
+
+  ui_file = g_build_filename (gimp_data_directory (),
+                              "ui", "plug-ins",
+                              "plug-in-metadata-editor-calendar.ui", NULL);
+
+  if (! gtk_builder_add_from_file (builder, ui_file, &error))
+    {
+      g_log ("", G_LOG_LEVEL_MESSAGE,
+             _("Error loading calendar. %s"),
+             error ? error->message : "");
+      g_clear_error (&error);
+
+      if (ui_file)
+        g_free (ui_file);
+      g_object_unref (builder);
+      return;
+    }
+
+  if (ui_file)
+    g_free (ui_file);
+
+  date_text = gtk_entry_get_text (GTK_ENTRY (entry_widget));
+  if (date_text && date_text[0] != '\0')
+    {
+      sscanf (date_text, "%d-%d-%d;", &year, &month, &day);
+      month--;
+    }
+  else
+    {
+      current_datetime = g_date_time_new_now_local ();
+      year = g_date_time_get_year (current_datetime);
+      month = g_date_time_get_month (current_datetime) - 1;
+      day = g_date_time_get_day_of_month (current_datetime);
+    }
+
+  calendar_dialog =
+    gtk_dialog_new_with_buttons (_("Calendar Date:"),
+                                 NULL,
+                                 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
+                                 _("_Cancel"),  GTK_RESPONSE_CANCEL,
+                                 _("Set Date"), GTK_RESPONSE_OK,
+                                 NULL);
+
+  gtk_dialog_set_default_response (GTK_DIALOG (calendar_dialog),
+                                   GTK_RESPONSE_OK);
+  gtk_dialog_set_alternative_button_order (GTK_DIALOG (calendar_dialog),
+                                            GTK_RESPONSE_OK,
+                                            GTK_RESPONSE_CANCEL,
+                                            -1);
+
+  gimp_window_set_transient (GTK_WINDOW (calendar_dialog));
+
+  calendar_content_area = gtk_dialog_get_content_area (GTK_DIALOG (
+                            calendar_dialog));
+
+  calendar_vbox = builder_get_widget (builder, "calendar-vbox");
+
+  gtk_container_set_border_width (GTK_CONTAINER (calendar_vbox), 12);
+  gtk_box_pack_start (GTK_BOX (calendar_content_area), calendar_vbox, TRUE, TRUE,
+                      0);
+
+  calendar = builder_get_widget (builder, "calendar");
+
+  gtk_calendar_select_month (GTK_CALENDAR (calendar), month, year);
+  gtk_calendar_select_day (GTK_CALENDAR (calendar), day);
+  gtk_calendar_mark_day (GTK_CALENDAR (calendar), day);
+
+  if (gtk_dialog_run (GTK_DIALOG (calendar_dialog)) == GTK_RESPONSE_OK)
+    {
+      gchar date[25];
+      gtk_calendar_get_date (GTK_CALENDAR (calendar), &year, &month, &day);
+      g_sprintf ((gchar*) &date, "%d-%02d-%02d", year, month+1, day);
+      gtk_entry_set_text (GTK_ENTRY (entry_widget), date);
+    }
+
+  gtk_widget_destroy (calendar_dialog);
+}
+
+/* ============================================================================
+ * ==[ SPECIAL TAGS HANDLERS ]=================================================
+ * ============================================================================
+ */
+
+gboolean
+hasImageSupplierTagData (GtkBuilder *builder)
+{
+  gint loop;
+
+  for (loop = 0; loop < imageSupplierInfoHeader.size; loop++)
+    {
+      GObject     *object;
+      const gchar *text;
+
+      object = gtk_builder_get_object (builder, imageSupplierInfoTags[loop].id);
+
+      if (! strcmp (imageSupplierInfoTags[loop].mode, "single"))
+        {
+          text = gtk_entry_get_text (GTK_ENTRY (object));
+
+          if (text && *text)
+            return TRUE;
+        }
+      else if (! strcmp (imageSupplierInfoTags[loop].mode, "multi"))
+        {
+          text = gtk_entry_get_text (GTK_ENTRY (object));
+
+          if (text && *text)
+            return TRUE;
+        }
+    }
+
+  return FALSE;
+}
+
+gboolean
+hasLocationCreationTagData (GtkBuilder *builder)
+{
+  gint loop;
+
+  for (loop = 0; loop < locationCreationInfoHeader.size; loop++)
+    {
+      GObject     *object;
+      const gchar *text;
+
+      object = gtk_builder_get_object (builder, locationCreationInfoTags[loop].id);
+
+      if (! strcmp (locationCreationInfoTags[loop].mode, "single"))
+        {
+          text = gtk_entry_get_text (GTK_ENTRY (object));
+
+          if (text && *text)
+            return TRUE;
+        }
+    }
+
+  return FALSE;
+}
+
+gboolean
+hasModelReleaseTagData (GtkBuilder *builder)
+{
+  return FALSE;
+}
+
+gboolean
+hasPropertyReleaseTagData (GtkBuilder *builder)
+{
+  return FALSE;
+}
+
+
+gboolean
+hasCreatorTagData (GtkBuilder *builder)
+{
+  gboolean has_data = FALSE;
+  gint     loop;
+
+  for (loop = 0; loop < creatorContactInfoHeader.size; loop++)
+    {
+      GObject *object;
+
+      object = gtk_builder_get_object (builder, creatorContactInfoTags[loop].id);
+
+      if (GTK_IS_ENTRY (object))
+        {
+          const gchar *text = gtk_entry_get_text (GTK_ENTRY (object));
+
+          if (text && *text)
+            has_data = TRUE;
+        }
+      else if (GTK_IS_TEXT_VIEW (object))
+        {
+          GtkTextView   *text_view = GTK_TEXT_VIEW (object);
+          GtkTextBuffer *buffer    = gtk_text_view_get_buffer (text_view);
+          GtkTextIter    start;
+          GtkTextIter    end;
+          gchar         *text;
+
+          gtk_text_buffer_get_start_iter (buffer, &start);
+          gtk_text_buffer_get_end_iter (buffer, &end);
+
+          text = gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
+
+          if (text && *text)
+            has_data = TRUE;
+
+          if (text)
+            g_free (text);
+        }
+    }
+
+  return has_data;
+}
+
+/* ============================================================================
+ * ==[ SET DIALOG METADATA ]===================================================
+ * ============================================================================
+ */
+
+/* CELL EDITED */
+
+void
+cell_edited_callback (GtkCellRendererText *cell,
+                      const gchar         *path_string,
+                      const gchar         *new_text,
+                      gpointer             data,
+                      int                  index)
+{
+  GtkTreeModel *model;
+  GtkTreePath  *path;
+  GtkTreeIter   iter;
+
+  model = (GtkTreeModel *)data;
+  path = gtk_tree_path_new_from_string (path_string);
+
+  gtk_tree_model_get_iter (model, &iter, path);
+
+  gtk_list_store_set (GTK_LIST_STORE (model), &iter, index,
+                      new_text, -1);
+}
+
+void
+cell_edited_callback_combo (GtkCellRendererCombo *cell,
+                            const gchar          *path_string,
+                            const gchar          *new_text,
+                            gpointer              data,
+                            int                   column)
+{
+  GtkWidget        *widget;
+  GtkTreeModel     *treemodel;
+  GtkListStore     *liststore;
+  GtkTreeIter       iter;
+  GtkTreePath      *path;
+  GtkTreeSelection *selection;
+
+  widget = GTK_WIDGET (data);
+
+  treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+  liststore = GTK_LIST_STORE (treemodel);
+
+  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
+
+  if (gtk_tree_selection_get_selected (GTK_TREE_SELECTION (selection),
+                                       NULL, &iter))
+    {
+      path = gtk_tree_model_get_path (treemodel, &iter);
+      gtk_tree_path_free (path);
+      gtk_list_store_set (liststore, &iter, column, new_text, -1);
+    }
+}
+
+static void
+licensor_name_cell_edited_callback (GtkCellRendererText *cell,
+                                    const gchar         *path_string,
+                                    const gchar         *new_text,
+                                    gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 0);
+}
+
+static void
+licensor_id_cell_edited_callback (GtkCellRendererText *cell,
+                                  const gchar         *path_string,
+                                  const gchar         *new_text,
+                                  gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 1);
+}
+
+static void
+licensor_phone1_cell_edited_callback (GtkCellRendererText *cell,
+                                      const gchar         *path_string,
+                                      const gchar         *new_text,
+                                      gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 2);
+}
+
+static void
+licensor_phone_type1_cell_edited_callback (GtkCellRendererCombo *cell,
+                                           const gchar          *path_string,
+                                           const gchar          *new_text,
+                                           gpointer              data)
+{
+  cell_edited_callback_combo (cell, path_string, new_text, data, 3);
+}
+
+static void
+licensor_phone2_cell_edited_callback (GtkCellRendererText *cell,
+                                      const gchar         *path_string,
+                                      const gchar         *new_text,
+                                      gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 4);
+}
+
+static void
+licensor_phone_type2_cell_edited_callback (GtkCellRendererCombo *cell,
+                                           const gchar          *path_string,
+                                           const gchar          *new_text,
+                                           gpointer              data)
+{
+  cell_edited_callback_combo (cell, path_string, new_text, data, 5);
+}
+
+static void
+licensor_email_cell_edited_callback (GtkCellRendererText *cell,
+                                     const gchar         *path_string,
+                                     const gchar         *new_text,
+                                     gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 6);
+}
+
+static void
+licensor_web_cell_edited_callback (GtkCellRendererText *cell,
+                                   const gchar         *path_string,
+                                   const gchar         *new_text,
+                                   gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 7);
+}
+
+static void
+cr_owner_name_cell_edited_callback (GtkCellRendererText *cell,
+                                    const gchar         *path_string,
+                                    const gchar         *new_text,
+                                    gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 0);
+}
+
+static void
+cr_owner_id_cell_edited_callback (GtkCellRendererText *cell,
+                                  const gchar         *path_string,
+                                  const gchar         *new_text,
+                                  gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 1);
+}
+
+static void
+img_cr8_name_cell_edited_callback (GtkCellRendererText *cell,
+                                   const gchar         *path_string,
+                                   const gchar         *new_text,
+                                   gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 0);
+}
+
+static void
+img_cr8_id_cell_edited_callback (GtkCellRendererText *cell,
+                                 const gchar         *path_string,
+                                 const gchar         *new_text,
+                                 gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 1);
+}
+
+static void
+aoo_copyright_notice_cell_edited_callback (GtkCellRendererText *cell,
+                                           const gchar         *path_string,
+                                           const gchar         *new_text,
+                                           gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 5);
+}
+
+static void
+aoo_source_inv_cell_edited_callback (GtkCellRendererText *cell,
+                                     const gchar         *path_string,
+                                     const gchar         *new_text,
+                                     gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 4);
+}
+
+static void
+aoo_source_cell_edited_callback (GtkCellRendererText *cell,
+                                 const gchar         *path_string,
+                                 const gchar         *new_text,
+                                 gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 3);
+}
+
+static void
+aoo_creator_cell_edited_callback (GtkCellRendererText *cell,
+                                  const gchar         *path_string,
+                                  const gchar         *new_text,
+                                  gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 2);
+}
+
+static void
+aoo_date_creat_cell_edited_callback (GtkCellRendererText *cell,
+                                     const gchar         *path_string,
+                                     const gchar         *new_text,
+                                     gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 1);
+}
+
+static void
+aoo_title_cell_edited_callback (GtkCellRendererText *cell,
+                                const gchar         *path_string,
+                                const gchar         *new_text,
+                                gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 0);
+}
+
+static void
+reg_org_id_cell_edited_callback (GtkCellRendererText *cell,
+                                 const gchar         *path_string,
+                                 const gchar         *new_text,
+                                 gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 0);
+}
+
+static void
+reg_item_id_cell_edited_callback (GtkCellRendererText *cell,
+                                  const gchar         *path_string,
+                                  const gchar         *new_text,
+                                  gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 1);
+}
+
+static void
+loc_sho_sub_loc_cell_edited_callback (GtkCellRendererText *cell,
+                                      const gchar         *path_string,
+                                      const gchar         *new_text,
+                                      gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 0);
+}
+
+static void
+loc_sho_city_cell_edited_callback (GtkCellRendererText *cell,
+                                   const gchar         *path_string,
+                                   const gchar         *new_text,
+                                   gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 1);
+}
+
+static void
+loc_sho_state_prov_cell_edited_callback (GtkCellRendererText *cell,
+    const gchar         *path_string,
+    const gchar         *new_text,
+    gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 2);
+}
+
+static void
+loc_sho_cntry_cell_edited_callback (GtkCellRendererText *cell,
+                                    const gchar         *path_string,
+                                    const gchar         *new_text,
+                                    gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 3);
+}
+
+static void
+loc_sho_cntry_iso_cell_edited_callback (GtkCellRendererText *cell,
+                                        const gchar         *path_string,
+                                        const gchar         *new_text,
+                                        gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 4);
+}
+
+static void
+loc_sho_wrld_reg_cell_edited_callback (GtkCellRendererText *cell,
+                                       const gchar         *path_string,
+                                       const gchar         *new_text,
+                                       gpointer             data)
+{
+  cell_edited_callback (cell, path_string, new_text, data, 5);
+}
+
+static void
+prop_rel_id_cell_edited_callback (GtkCellRendererText *cell,
+                                  const gchar         *path_string,
+                                  const gchar         *new_text,
+                                  gpointer             data)
+{
+  GtkTreeModel *model;
+  GtkTreePath  *path;
+  GtkTreeIter   iter;
+  gint          column;
+  model = (GtkTreeModel *)data;
+  path = gtk_tree_path_new_from_string (path_string);
+
+  column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
+
+  gtk_tree_model_get_iter (model, &iter, path);
+
+  gtk_list_store_set (GTK_LIST_STORE (model), &iter, column,
+                      new_text, -1);
+}
+
+static void
+mod_rel_id_cell_edited_callback (GtkCellRendererText *cell,
+                                 const gchar         *path_string,
+                                 const gchar         *new_text,
+                                 gpointer             data)
+{
+  GtkTreeModel *model;
+  GtkTreePath  *path;
+  GtkTreeIter   iter;
+  gint          column;
+
+  model = (GtkTreeModel *)data;
+  path = gtk_tree_path_new_from_string (path_string);
+
+  column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
+
+  gtk_tree_model_get_iter (model, &iter, path);
+
+  gtk_list_store_set (GTK_LIST_STORE (model), &iter, column,
+                      new_text, -1);
+}
+
+static void
+organisation_image_name_cell_edited_callback (GtkCellRendererText *cell,
+                                              const gchar         *path_string,
+                                              const gchar         *new_text,
+                                              gpointer             data)
+{
+  GtkTreeModel *model;
+  GtkTreePath  *path;
+  GtkTreeIter   iter;
+  gint          column;
+
+  model = (GtkTreeModel *)data;
+  path = gtk_tree_path_new_from_string (path_string);
+
+  column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
+
+  gtk_tree_model_get_iter (model, &iter, path);
+
+  gtk_list_store_set (GTK_LIST_STORE (model), &iter, column,
+                      new_text, -1);
+}
+
+static void
+organisation_image_code_cell_edited_callback (GtkCellRendererText *cell,
+                                              const gchar         *path_string,
+                                              const gchar         *new_text,
+                                              gpointer             data)
+{
+  GtkTreeModel *model;
+  GtkTreePath  *path;
+  GtkTreeIter   iter;
+  gint          column;
+
+  model = (GtkTreeModel *)data;
+  path = gtk_tree_path_new_from_string (path_string);
+
+  column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
+
+  gtk_tree_model_get_iter (model, &iter, path);
+
+  gtk_list_store_set (GTK_LIST_STORE (model), &iter, column,
+                      new_text, -1);
+}
+
+
+/* CELL / ROW REMOVE */
+
+static void
+list_row_remove_callback (GtkWidget *widget,
+                          gpointer   data,
+                          gchar     *tag)
+{
+  GtkBuilder       *builder = data;
+  GtkWidget        *list_widget;
+  GtkListStore     *liststore;
+  GtkTreeIter       iter;
+  GtkTreeModel     *treemodel;
+  GtkTreeSelection *selection;
+  GtkTreePath      *path;
+
+  list_widget = builder_get_widget (builder, tag);
+
+  treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (list_widget));
+  liststore = GTK_LIST_STORE (treemodel);
+
+  selection = gtk_tree_view_get_selection ((GtkTreeView *)list_widget);
+
+  if (gtk_tree_selection_get_selected (selection, NULL, &iter))
+    {
+      gint number_of_rows;
+
+      path = gtk_tree_model_get_path (treemodel, &iter);
+      gtk_list_store_remove (liststore, &iter);
+      gtk_tree_path_free (path);
+
+      number_of_rows = gtk_tree_model_iter_n_children (treemodel, NULL);
+      /* Make sur that two rows are always showing, else it looks ugly. */
+      if (number_of_rows < 2)
+        {
+          gtk_list_store_append (liststore, &iter);
+        }
+    }
+}
+
+static void
+property_release_id_remove_callback (GtkWidget *widget,
+                                     gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.plus.PropertyReleaseID");
+}
+
+static void
+model_release_id_remove_callback (GtkWidget *widget,
+                                  gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.plus.ModelReleaseID");
+}
+
+static void
+shown_location_remove_callback (GtkWidget *widget,
+                                gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.iptcExt.LocationShown");
+}
+
+static void
+feat_org_name_remove_callback (GtkWidget *widget,
+                               gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.iptcExt.OrganisationInImageName");
+}
+
+static void
+feat_org_code_remove_callback (GtkWidget *widget,
+                               gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.iptcExt.OrganisationInImageCode");
+}
+
+static void
+artwork_object_remove_callback (GtkWidget *widget,
+                                gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.iptcExt.ArtworkOrObject");
+}
+
+static void
+reg_entry_remove_callback (GtkWidget *widget,
+                           gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.iptcExt.RegistryId");
+}
+
+static void
+image_creator_remove_callback (GtkWidget *widget,
+                               gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.plus.ImageCreator");
+}
+
+static void
+copyright_own_remove_callback (GtkWidget *widget,
+                               gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.plus.CopyrightOwner");
+}
+
+static void
+licensor_remove_callback (GtkWidget *widget,
+                          gpointer   data)
+{
+  list_row_remove_callback (widget, data, "Xmp.plus.Licensor");
+}
+
+
+/* CELL / ROW ADD */
+
+static void
+list_row_add_callback (GtkWidget *widget,
+                       gpointer   data,
+                       gchar     *tag)
+{
+  GtkBuilder    *builder = data;
+  GtkWidget     *list_widget;
+  GtkListStore  *liststore;
+  GtkTreeIter    iter;
+
+  list_widget = builder_get_widget (builder, tag);
+
+  liststore = GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (list_widget)));
+
+  gtk_list_store_append (liststore, &iter);
+}
+
+static void
+property_release_id_add_callback (GtkWidget *widget,
+                                  gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.plus.PropertyReleaseID");
+}
+
+static void
+model_release_id_add_callback (GtkWidget *widget,
+                               gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.plus.ModelReleaseID");
+}
+
+static void
+shown_location_add_callback (GtkWidget *widget,
+                             gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.iptcExt.LocationShown");
+}
+
+static void
+feat_org_name_add_callback (GtkWidget *widget,
+                            gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.iptcExt.OrganisationInImageName");
+}
+
+static void
+feat_org_code_add_callback (GtkWidget *widget,
+                            gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.iptcExt.OrganisationInImageCode");
+}
+
+static void
+artwork_object_add_callback (GtkWidget *widget,
+                             gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.iptcExt.ArtworkOrObject");
+}
+
+static void
+reg_entry_add_callback (GtkWidget *widget,
+                        gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.iptcExt.RegistryId");
+}
+
+static void
+image_creator_add_callback (GtkWidget *widget,
+                            gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.plus.ImageCreator");
+}
+
+static void
+copyright_own_add_callback (GtkWidget *widget,
+                            gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.plus.CopyrightOwner");
+}
+
+static void
+licensor_add_callback (GtkWidget *widget,
+                       gpointer   data)
+{
+  list_row_add_callback (widget, data, "Xmp.plus.Licensor");
+}
+
+const gchar *gpstooltips[] =
+{
+    N_ ("Enter or edit GPS value here.\n"
+        "Valid values consist of 1, 2 or 3 numbers "
+        "(degrees, minutes, seconds), see the following examples:\n"
+        "10deg 15' 20\", or 10\u00b0 15' 20\", or 10:15:20.45, or "
+        "10 15 20, or 10 15.30, or 10.45\n"
+        "Delete all text to remove the current value."),
+    N_ ("Enter or edit GPS altitude value here.\n"
+        "A valid value consists of one number:\n"
+        "e.g. 100, or 12.24\n"
+        "Depending on the selected measurement type "
+        "the value should be entered in meter (m) "
+        "or feet (ft)\n"
+        "Delete all text to remove the current value.")
+};
+
+enum
+{
+  GPS_LONG_LAT_TOOLTIP,
+  GPS_ALTITUDE_TOOLTIP,
+};
+
+/* Set dialog display settings and data */
+
+static void
+metadata_dialog_editor_set_metadata (GExiv2Metadata *metadata,
+                                     GtkBuilder     *builder)
+{
+  GtkWidget *combo_widget;
+  GtkWidget *entry_widget;
+  GtkWidget *text_widget;
+  GtkWidget *button_widget;
+  gint       width, height;
+  gchar     *value;
+  gint       i;
+
+  gint32 numele = n_default_metadata_tags;
+
+  /* Setup Buttons */
+  button_widget = builder_get_widget (builder, "add_licensor_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (licensor_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_licensor_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (licensor_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_copyright_own_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (copyright_own_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_copyright_own_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (copyright_own_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_image_creator_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (image_creator_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_image_creator_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (image_creator_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_reg_entry_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (reg_entry_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_reg_entry_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (reg_entry_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_artwork_object_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (artwork_object_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_artwork_object_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (artwork_object_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_feat_org_code_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (feat_org_code_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_feat_org_code_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (feat_org_code_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_feat_org_name_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (feat_org_name_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_feat_org_name_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (feat_org_name_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_shown_location_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (shown_location_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_shown_location_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (shown_location_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_model_rel_id_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (model_release_id_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_model_rel_id_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (model_release_id_remove_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "add_prop_rel_id_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (property_release_id_add_callback),
+                    builder);
+
+  button_widget = builder_get_widget (builder, "rem_prop_rel_id_button");
+  g_signal_connect (G_OBJECT (button_widget), "clicked",
+                    G_CALLBACK (property_release_id_remove_callback),
+                    builder);
+
+
+  /* Setup Comboboxes */
+  combo_widget = builder_get_widget (builder, "Xmp.xmp.Rating");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                  _("Unrated"));
+  for (i = 1; i < 6; i++)
+    {
+      gchar *display = g_strdup_printf ("%d", i);
+
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      display);
+      g_free (display);
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Xmp.xmpRights.Marked");
+  for (i = 0; i < 3; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (marked[i].display));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Xmp.photoshop.Urgency");
+  for (i = 0; i < 9; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (urgency[i]));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Xmp.plus.MinorModelAgeDisclosure");
+  for (i = 0; i < 13; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (minormodelagedisclosure[i].display));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Xmp.plus.ModelReleaseStatus");
+  for (i = 0; i < n_modelreleasestatus; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (modelreleasestatus[i].display));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+  gtk_widget_get_size_request (combo_widget, &width, &height);
+  gtk_widget_set_size_request (combo_widget, 180, height);
+
+  combo_widget = builder_get_widget (builder, "Xmp.iptcExt.DigitalSourceType");
+  for (i = 0; i < n_digitalsourcetype; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (digitalsourcetype[i].display));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Xmp.plus.PropertyReleaseStatus");
+  for (i = 0; i < 4; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (propertyreleasestatus[i].display));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+  gtk_widget_get_size_request (combo_widget, &width, &height);
+  gtk_widget_set_size_request (combo_widget, 180, height);
+
+  combo_widget = builder_get_widget (builder, "Xmp.DICOM.PatientSex");
+  for (i = 0; i < 4; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (dicom[i].display));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Exif.GPSInfo.GPSLatitudeRef");
+  for (i = 0; i < 3; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (gpslatref[i]));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Exif.GPSInfo.GPSLongitudeRef");
+  for (i = 0; i < 3; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (gpslngref[i]));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "Exif.GPSInfo.GPSAltitudeRef");
+  for (i = 0; i < 3; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (gpsaltref[i]));
+    }
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  combo_widget = builder_get_widget (builder, "GPSAltitudeSystem");
+  for (i = 0; i < 2; i++)
+    {
+      gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_widget),
+                                      gettext (gpsaltsys[i]));
+    }
+
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_widget), 0);
+
+  g_signal_connect (G_OBJECT (combo_widget), "changed",
+                    G_CALLBACK (gpsaltsys_combo_callback),
+                    builder);
+
+  /* Set up text view heights */
+  for (i = 0; i < numele; i++)
+    {
+      if (! strcmp ("multi", default_metadata_tags[i].mode))
+        {
+          text_widget = builder_get_widget (builder,
+                                            default_metadata_tags[i].tag);
+          gtk_widget_get_size_request (text_widget, &width, &height);
+          gtk_widget_set_size_request (text_widget, width, height + 60);
+        }
+    }
+
+  for (i = 0; i < creatorContactInfoHeader.size; i++)
+    {
+      if (! strcmp ("multi", creatorContactInfoTags[i].mode))
+        {
+          text_widget = builder_get_widget (builder,
+                                            creatorContactInfoTags[i].id);
+          gtk_widget_get_size_request (text_widget, &width, &height);
+          gtk_widget_set_size_request (text_widget, width, height + 60);
+        }
+    }
+
+  /* Set up lists */
+  for (i = 0; i < imageSupplierInfoHeader.size; i++)
+    {
+      GtkWidget *widget;
+
+      widget = builder_get_widget (builder,
+                                   imageSupplierInfoTags[i].id);
+
+      value = gexiv2_metadata_get_tag_interpreted_string (metadata,
+                                                          imageSupplierInfoTags[i].tag);
+
+      if (value)
+        {
+          gchar *value_utf;
+
+          value_utf = clean_xmp_string (value);
+          g_free (value);
+
+          if (! strcmp ("single", imageSupplierInfoTags[i].mode))
+            {
+              gtk_entry_set_text (GTK_ENTRY (widget), value_utf);
+            }
+          else if (! strcmp ("multi", imageSupplierInfoTags[i].mode))
+            {
+              GtkTextBuffer *buffer;
+
+              buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
+              gtk_text_buffer_set_text (buffer, value_utf, -1);
+            }
+          g_free (value_utf);
+        }
+    }
+
+  for (i = 0; i < locationCreationInfoHeader.size; i++)
+    {
+      GtkWidget *widget;
+
+      widget = builder_get_widget (builder,
+                                   locationCreationInfoTags[i].id);
+
+      value = gexiv2_metadata_get_tag_interpreted_string (metadata,
+                                                          locationCreationInfoTags[i].tag);
+
+      if (value)
+        {
+          gchar *value_utf;
+
+          value_utf = clean_xmp_string (value);
+          g_free (value);
+
+          if (! strcmp ("single", locationCreationInfoTags[i].mode))
+            {
+              gtk_entry_set_text (GTK_ENTRY (widget), value_utf);
+            }
+          g_free (value_utf);
+        }
+    }
+
+  /* Set up tag data */
+
+  for (i = 0; i < numele; i++)
+    {
+      GtkWidget *widget;
+      gint       index;
+
+      widget = builder_get_widget (builder, default_metadata_tags[i].tag);
+
+      if (! strcmp ("Exif.GPSInfo.GPSLongitude",
+                    default_metadata_tags[i].tag))
+        {
+          gdouble  gps_value;
+          gchar   *str;
+
+          if (gexiv2_metadata_get_gps_longitude (metadata, &gps_value))
+            {
+              str = metadata_format_gps_longitude_latitude (gps_value);
+              gtk_entry_set_text (GTK_ENTRY (widget), str);
+              g_free (str);
+            }
+          gtk_widget_set_tooltip_text (widget,
+                                       gettext (gpstooltips[GPS_LONG_LAT_TOOLTIP]));
+          continue;
+        }
+      else if (! strcmp ("Exif.GPSInfo.GPSLatitude",
+                         default_metadata_tags[i].tag))
+        {
+          gdouble  gps_value;
+          gchar   *str;
+
+          if (gexiv2_metadata_get_gps_latitude (metadata, &gps_value))
+            {
+              str = metadata_format_gps_longitude_latitude (gps_value);
+              gtk_entry_set_text (GTK_ENTRY (widget), str);
+              g_free (str);
+            }
+          gtk_widget_set_tooltip_text (widget,
+                                       gettext (gpstooltips[GPS_LONG_LAT_TOOLTIP]));
+          continue;
+        }
+      else if (! strcmp ("Exif.GPSInfo.GPSAltitude",
+                        default_metadata_tags[i].tag))
+        {
+          gdouble  gps_value;
+          gchar   *str;
+
+          if (gexiv2_metadata_get_gps_altitude (metadata, &gps_value))
+            {
+              str = metadata_format_gps_altitude (gps_value, TRUE, "");
+              gtk_entry_set_text (GTK_ENTRY (widget), str);
+              g_free (str);
+            }
+          gtk_widget_set_tooltip_text (widget,
+                                       gettext (gpstooltips[GPS_ALTITUDE_TOOLTIP]));
+          continue;
+        }
+
+      index = default_metadata_tags[i].other_tag_index;
+
+      if (default_metadata_tags[i].xmp_type == GIMP_XMP_BAG ||
+          default_metadata_tags[i].xmp_type == GIMP_XMP_SEQ)
+        {
+          gchar **values;
+
+          value = NULL;
+          values = gexiv2_metadata_get_tag_multiple (metadata,
+                                                     default_metadata_tags[i].tag);
+
+          if (values)
+            {
+              gint vi;
+
+              for (vi = 0; values[vi] != NULL; vi++)
+                {
+                  gchar *value_clean;
+
+                  value_clean = clean_xmp_string (values[vi]);
+
+                  if (value_clean != NULL && value_clean[0] != '\0')
+                    {
+                      if (! value)
+                        {
+                          value = g_strdup (value_clean);
+                        }
+                      else
+                        {
+                          gchar *tmpvalue;
+
+                          tmpvalue = value;
+                          value = g_strconcat (value, "\n", value_clean, NULL);
+                          g_free (tmpvalue);
+                        }
+                    }
+                  g_free (value_clean);
+                }
+            }
+
+          if (index > -1)
+            {
+              gchar **equiv_values;
+
+              /* These are all IPTC tags some of which can appear multiple times so
+                * we will use get_tag_multiple. Also IPTC most commonly uses UTF-8
+                * not current locale so get_tag_interpreted was wrong anyway.
+                * FIXME For now lets interpret as UTF-8 and in the future read
+                * and interpret based on the CharacterSet tag.
+                */
+              equiv_values = gexiv2_metadata_get_tag_multiple (metadata,
+                                                        equivalent_metadata_tags[index].tag);
+
+              if (equiv_values)
+                {
+                  gint evi;
+
+                  for (evi = 0; equiv_values[evi] != NULL; evi++)
+                    {
+                      if (equiv_values[evi][0] != '\0')
+                        {
+                          if (! value)
+                            {
+                              value = g_strdup (equiv_values[evi]);
+                            }
+                          else
+                            {
+                              if (! g_strv_contains (values, equiv_values[evi]))
+                                {
+                                  gchar *tmpvalue;
+
+                                  tmpvalue = value;
+                                  value = g_strconcat (value, "\n", equiv_values[evi], NULL);
+                                  g_free (tmpvalue);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+          g_strfreev (values);
+        }
+      else
+        {
+          value = gexiv2_metadata_get_tag_interpreted_string (metadata,
+                                                              default_metadata_tags[i].tag);
+
+          if (value)
+            {
+              gchar *value_utf8 = clean_xmp_string (value);
+
+              g_free (value);
+
+              if (value_utf8 && value_utf8[0] != '\0')
+                {
+                  value = g_strdup (value_utf8);
+                }
+              else
+                {
+                  value = NULL;
+                }
+
+              g_free (value_utf8);
+            }
+
+          if (index > -1)
+            {
+              gchar **values;
+
+              /* It's not very likely we will have an XMP tag that can only
+               * have a single value instead of an array, which corresponds to
+               * an IPTC tag that can have multiple values, but since we
+               * already have this code it can't hurt to keep testing for it.
+               * FIXME For now lets interpret as UTF-8 and in the future read
+               * and interpret based on the CharacterSet tag.
+               */
+              values = gexiv2_metadata_get_tag_multiple (metadata,
+                                                        equivalent_metadata_tags[index].tag);
+
+              if (values)
+                {
+                  gint     i;
+                  GString *str = NULL;
+
+                  for (i = 0; values[i] != NULL; i++)
+                    {
+                      if (values[i][0] != '\0')
+                        {
+                          if (! str)
+                            {
+                              str = g_string_new (values[i]);
+                            }
+                          else
+                            {
+                              if (! strcmp ("multi", equivalent_metadata_tags[index].mode))
+                                {
+                                  g_string_append (str, "\n");
+                                }
+                              else
+                                {
+                                  g_string_append (str, ", ");
+                                }
+                              g_string_append (str, values[i]);
+                            }
+                        }
+                    }
+
+                  if (str)
+                    {
+                      /* If we got values from both Xmp and Iptc then compare those
+                       * values and if they are different concatenate them. Usually they
+                       * should be the same in which case we won't duplicate the string.
+                       */
+                      if (value && strcmp (value, str->str))
+                        {
+                          if (! strcmp ("multi", equivalent_metadata_tags[index].mode))
+                            {
+                              g_string_prepend (str, "\n");
+                            }
+                          else
+                            {
+                              g_string_prepend (str, ", ");
+                            }
+                          g_string_prepend (str, value);
+                          g_free (value);
+                        }
+                      value = g_string_free (str, FALSE);
+                    }
+                }
+            }
+        }
+
+      if (!strcmp ("list", default_metadata_tags[i].mode))
+        {
+          /* Tab: IPTC Extension, Label: Location Shown */
+          if (! strcmp ("Xmp.iptcExt.LocationShown",
+                        default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+              GtkTreeIter        iter;
+              gint               counter;
+              gchar            **tagdata;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              /* LOCATION SHOWN - SUB LOCATION */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LOC_SHO_SUB_LOC);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (loc_sho_sub_loc_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LOC_SHO_SUB_LOC));
+                }
+
+              /* LOCATION SHOWN - CITY */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LOC_SHO_CITY);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (loc_sho_city_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LOC_SHO_CITY));
+                }
+
+              /* LOCATION SHOWN - STATE PROVINCE */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LOC_SHO_STATE_PROV);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (loc_sho_state_prov_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LOC_SHO_STATE_PROV));
+                }
+
+              /* LOCATION SHOWN - COUNTRY */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LOC_SHO_CNTRY);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (loc_sho_cntry_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LOC_SHO_CNTRY));
+                }
+
+              /* LOCATION SHOWN - COUNTRY ISO */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LOC_SHO_CNTRY_ISO);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (loc_sho_cntry_iso_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LOC_SHO_CNTRY_ISO));
+                }
+
+              /* LOCATION SHOWN - WORLD REGION */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LOC_SHO_CNTRY_WRLD_REG);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (loc_sho_wrld_reg_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LOC_SHO_CNTRY_WRLD_REG));
+                }
+
+              /* Favor the most common form: /Iptc4xmpExt:* */
+              counter = count_tags (metadata, LOCATIONSHOWN_HEADER,
+                                    locationshown,
+                                    n_locationshown);
+
+              tagdata = get_tags (metadata, LOCATIONSHOWN_HEADER,
+                                  locationshown,
+                                  n_locationshown, counter);
+
+              if (counter == 0 || ! tagdata)
+                {
+                  /* Alternatively try: /iptcExt:* */
+                  counter = count_tags (metadata, LOCATIONSHOWN_HEADER,
+                                        locationshown_alternative,
+                                        n_locationshown);
+
+                  tagdata = get_tags (metadata, LOCATIONSHOWN_HEADER,
+                                      locationshown_alternative,
+                                      n_locationshown, counter);
+                }
+
+              if (counter > 0 && tagdata)
+                {
+                  gint item;
+
+                  for (item = 0; item < counter; item++)
+                    {
+                      gchar **tagdatarow = (gchar **) tagdata[item];
+
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_LOC_SHO_SUB_LOC,        tagdatarow[0],
+                                          COL_LOC_SHO_CITY,           tagdatarow[1],
+                                          COL_LOC_SHO_STATE_PROV,     tagdatarow[2],
+                                          COL_LOC_SHO_CNTRY,          tagdatarow[3],
+                                          COL_LOC_SHO_CNTRY_ISO,      tagdatarow[4],
+                                          COL_LOC_SHO_CNTRY_WRLD_REG, tagdatarow[5],
+                                          -1);
+                    }
+                  free_tagdata(tagdata, counter, n_locationshown);
+
+                  if (counter == 1)
+                    {
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_LOC_SHO_SUB_LOC,        NULL,
+                                          COL_LOC_SHO_CITY,           NULL,
+                                          COL_LOC_SHO_STATE_PROV,     NULL,
+                                          COL_LOC_SHO_CNTRY,          NULL,
+                                          COL_LOC_SHO_CNTRY_ISO,      NULL,
+                                          COL_LOC_SHO_CNTRY_WRLD_REG, NULL,
+                                          -1);
+                    }
+                }
+              else
+                {
+                  gint item;
+
+                  for (item = 0; item < 2; item++)
+                    {
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_LOC_SHO_SUB_LOC,        NULL,
+                                          COL_LOC_SHO_CITY,           NULL,
+                                          COL_LOC_SHO_STATE_PROV,     NULL,
+                                          COL_LOC_SHO_CNTRY,          NULL,
+                                          COL_LOC_SHO_CNTRY_ISO,      NULL,
+                                          COL_LOC_SHO_CNTRY_WRLD_REG, NULL,
+                                          -1);
+                    }
+                }
+            }
+          /* Tab: IPTC Extension, Label: Featured Organization - Name */
+          else if (! strcmp ("Xmp.iptcExt.OrganisationInImageName",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)),
+                                           GTK_SELECTION_SINGLE);
+
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget), 0);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (organisation_image_name_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_ORG_IMG_NAME));
+                }
+
+              add_to_store (value, liststore, COL_ORG_IMG_NAME);
+            }
+          /* Tab: IPTC Extension, Label: Featured Organization - Code */
+          else if (! strcmp ("Xmp.iptcExt.OrganisationInImageCode",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)),
+                                           GTK_SELECTION_SINGLE);
+
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget), 0);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (organisation_image_code_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_ORG_IMG_CODE));
+                }
+
+              add_to_store (value, liststore, COL_ORG_IMG_CODE);
+            }
+          /* Tab: IPTC Extension, Label: Artwork or Object */
+          else if (! strcmp ("Xmp.iptcExt.ArtworkOrObject",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+              GtkTreeIter        iter;
+              gint               counter;
+              gchar            **tagdata;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              /* ARTWORK OR OBJECT - TITLE */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_AOO_TITLE);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (aoo_title_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_AOO_TITLE));
+                }
+
+              /* ARTWORK OR OBJECT - DATE CREATED */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_AOO_DATE_CREAT);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r != NULL; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (aoo_date_creat_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_AOO_DATE_CREAT));
+                }
+
+              /* ARTWORK OR OBJECT - CREATOR */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_AOO_CREATOR);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r != NULL; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (aoo_creator_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_AOO_CREATOR));
+                }
+
+              /* ARTWORK OR OBJECT - SOURCE */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_AOO_SOURCE);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (aoo_source_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_AOO_SOURCE));
+                }
+
+              /* ARTWORK OR OBJECT - SOURCE INVENTORY ID */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_AOO_SRC_INV_ID);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (aoo_source_inv_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_AOO_SRC_INV_ID));
+                }
+
+              /* ARTWORK OR OBJECT - COPYRIGHT NOTICE */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_AOO_CR_NOT);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (aoo_copyright_notice_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_AOO_CR_NOT));
+                }
+
+              counter = count_tags (metadata, ARTWORKOROBJECT_HEADER,
+                                    artworkorobject,
+                                    n_artworkorobject);
+
+              tagdata = get_tags (metadata, ARTWORKOROBJECT_HEADER,
+                                  artworkorobject,
+                                  n_artworkorobject, counter);
+
+              if (counter == 0 || ! tagdata)
+                {
+                  /* Alternatively try: /iptcExt:* */
+                  counter = count_tags (metadata, ARTWORKOROBJECT_HEADER,
+                                        artworkorobject_alternative,
+                                        n_artworkorobject);
+
+                  tagdata = get_tags (metadata, ARTWORKOROBJECT_HEADER,
+                                      artworkorobject_alternative,
+                                      n_artworkorobject, counter);
+                }
+
+
+              if (counter > 0 && tagdata)
+                {
+                  gint item;
+
+                  for (item = 0; item < counter; item++)
+                    {
+                      gchar **tagdatarow = (gchar **) tagdata[item];
+
+                      /* remove substring for language id in title field */
+                      remove_substring (tagdatarow[COL_AOO_TITLE], lang_default);
+                      if (strstr (tagdatarow[COL_AOO_TITLE], " "))
+                        {
+                          remove_substring (tagdatarow[COL_AOO_TITLE], " ");
+                        }
+
+                      remove_substring (tagdatarow[COL_AOO_TITLE], bag_default);
+                      if (strstr (tagdatarow[COL_AOO_TITLE], " "))
+                        {
+                          remove_substring (tagdatarow[COL_AOO_TITLE], " ");
+                        }
+
+                      remove_substring (tagdatarow[COL_AOO_TITLE], seq_default);
+                      if (strstr (tagdatarow[COL_AOO_TITLE], " "))
+                        {
+                          remove_substring (tagdatarow[COL_AOO_TITLE], " ");
+                        }
+
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_AOO_TITLE,      tagdatarow[0],
+                                          COL_AOO_DATE_CREAT, tagdatarow[1],
+                                          COL_AOO_CREATOR,    tagdatarow[2],
+                                          COL_AOO_SOURCE,     tagdatarow[3],
+                                          COL_AOO_SRC_INV_ID, tagdatarow[4],
+                                          COL_AOO_CR_NOT,     tagdatarow[5],
+                                          -1);
+                    }
+                  free_tagdata(tagdata, counter, n_artworkorobject);
+                }
+              else
+                {
+                  gint item;
+
+                  for (item = 0; item < 2; item++)
+                    {
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_AOO_TITLE,      NULL,
+                                          COL_AOO_DATE_CREAT, NULL,
+                                          COL_AOO_CREATOR,    NULL,
+                                          COL_AOO_SOURCE,     NULL,
+                                          COL_AOO_SRC_INV_ID, NULL,
+                                          COL_AOO_CR_NOT,     NULL,
+                                          -1);
+                    }
+                }
+            }
+          /* Tab: IPTC Extension, Label: Model Release Identifier */
+          else if (! strcmp ("Xmp.plus.ModelReleaseID",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)),
+                                           GTK_SELECTION_SINGLE);
+
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget), 0);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (mod_rel_id_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_PROP_REL_ID));
+                }
+
+              add_to_store (value, liststore, COL_MOD_REL_ID);
+            }
+          /* Tab: IPTC Extension, Label: Registry Entry */
+          else if (! strcmp ("Xmp.iptcExt.RegistryId",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+              GtkTreeIter        iter;
+              gint               counter;
+              gchar            **tagdata;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              /* REGISTRY - ORGANIZATION ID */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_REGISTRY_ORG_ID);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r != NULL; r = r->next)
+                {
+                  renderer = (GtkCellRenderer*) r->data;
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (reg_org_id_cell_edited_callback),
+                                    treemodel);
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_REGISTRY_ORG_ID));
+                }
+
+              /* REGISTRY - ITEM ID */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_REGISTRY_ITEM_ID);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (reg_item_id_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_REGISTRY_ITEM_ID));
+                }
+
+              counter = count_tags (metadata, REGISTRYID_HEADER,
+                                    registryid,
+                                    n_registryid);
+
+              tagdata = get_tags (metadata, REGISTRYID_HEADER,
+                                  registryid,
+                                  n_registryid, counter);
+
+              if (counter == 0 || ! tagdata)
+                {
+                  /* Alternatively try: /iptcExt:* */
+                  counter = count_tags (metadata, REGISTRYID_HEADER,
+                                        registryid_alternative,
+                                        n_registryid);
+
+                  tagdata = get_tags (metadata, REGISTRYID_HEADER,
+                                      registryid_alternative,
+                                      n_registryid, counter);
+                }
+
+              if (counter > 0 && tagdata)
+                {
+                  gint item;
+
+                  for (item = 0; item < counter; item++)
+                    {
+                      gchar **tagdatarow = (gchar **) tagdata[item];
+
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_REGISTRY_ORG_ID,  tagdatarow[0],
+                                          COL_REGISTRY_ITEM_ID, tagdatarow[1],
+                                          -1);
+                    }
+                  free_tagdata(tagdata, counter, n_registryid);
+                }
+              else
+                {
+                  gint item;
+
+                  for (item = 0; item < 2; item++)
+                    {
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_REGISTRY_ORG_ID,  NULL,
+                                          COL_REGISTRY_ITEM_ID, NULL,
+                                          -1);
+                    }
+                }
+            }
+          /* Tab: IPTC Extension, Label: Image Creator */
+          else if (! strcmp ("Xmp.plus.ImageCreator",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+              GtkTreeIter        iter;
+              gint               counter;
+              gchar            **tagdata;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              /* IMAGE CREATOR - NAME */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_IMG_CR8_NAME);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (img_cr8_name_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_IMG_CR8_NAME));
+                }
+
+              /* IMAGE CREATOR - ID */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_IMG_CR8_ID);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (img_cr8_id_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_IMG_CR8_ID));
+                }
+
+                counter = count_tags (metadata, IMAGECREATOR_HEADER,
+                                      imagecreator,
+                                      n_imagecreator);
+
+                tagdata = get_tags (metadata, IMAGECREATOR_HEADER,
+                                    imagecreator,
+                                    n_imagecreator, counter);
+
+                if (counter > 0 && tagdata)
+                  {
+                    gint item;
+
+                    for (item = 0; item < counter; item++)
+                      {
+                        gchar **tagdatarow = (gchar **) tagdata[item];
+
+                        gtk_list_store_append (liststore, &iter);
+                        gtk_list_store_set (liststore, &iter,
+                                            COL_IMG_CR8_NAME, tagdatarow[0],
+                                            COL_IMG_CR8_ID,   tagdatarow[1],
+                                            -1);
+                      }
+                    free_tagdata(tagdata, counter, n_imagecreator);
+                  }
+                else
+                  {
+                    gint item;
+
+                    for (item = 0; item < 2; item++)
+                      {
+                        gtk_list_store_append (liststore, &iter);
+                        gtk_list_store_set (liststore, &iter,
+                                            COL_IMG_CR8_NAME, NULL,
+                                            COL_IMG_CR8_ID,   NULL,
+                                            -1);
+                      }
+                  }
+            }
+          /* Tab: IPTC Extension, Label: Copyright Owner */
+          else if (! strcmp ("Xmp.plus.CopyrightOwner",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+              GtkTreeIter        iter;
+              gint               counter;
+              gchar            **tagdata;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              /* COPYRIGHT OWNER - NAME */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_CR_OWNER_NAME);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (cr_owner_name_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_CR_OWNER_NAME));
+                }
+
+              /* COPYRIGHT OWNER - ID */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_CR_OWNER_ID);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (cr_owner_id_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_CR_OWNER_ID));
+                }
+
+              counter = count_tags (metadata, COPYRIGHTOWNER_HEADER,
+                                    copyrightowner,
+                                    n_copyrightowner);
+
+              tagdata = get_tags (metadata, COPYRIGHTOWNER_HEADER,
+                                  copyrightowner,
+                                  n_copyrightowner, counter);
+
+              if (counter > 0 && tagdata)
+                {
+                  gint item;
+
+                  for (item = 0; item < counter; item++)
+                    {
+                      gchar **tagdatarow = (gchar **) tagdata[item];
+
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_CR_OWNER_NAME, tagdatarow[0],
+                                          COL_CR_OWNER_ID,   tagdatarow[1],
+                                          -1);
+                    }
+                  free_tagdata(tagdata, counter, n_copyrightowner);
+                }
+              else
+                {
+                  gint item;
+
+                  for (item = 0; item < 2; item++)
+                    {
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_CR_OWNER_NAME, NULL,
+                                          COL_CR_OWNER_ID,   NULL,
+                                          -1);
+                    }
+                }
+            }
+          /* Tab: IPTC Extension, Label: Licensor */
+          else if (! strcmp ("Xmp.plus.Licensor",
+                             default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkTreeModel      *phonemodel;
+              GtkListStore      *liststore;
+              GtkListStore      *phonestore;
+              GtkTreeIter        iter;
+              GtkTreeIter        phoneiter;
+              gint               counter;
+              gint               j;
+              gchar            **tagdata;
+
+              phonestore = gtk_list_store_new (1, G_TYPE_STRING);
+              gtk_list_store_append (phonestore, &phoneiter);
+              gtk_list_store_set (phonestore, &phoneiter, 0, "Unknown", -1);
+              for (j=1; j < 6; j++)
+                {
+                  gtk_list_store_append (phonestore, &phoneiter);
+                  gtk_list_store_set (phonestore, &phoneiter,
+                                      0, gettext (phone_types[j].display),
+                                      -1);
+                }
+              phonemodel = GTK_TREE_MODEL (phonestore);
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              /* LICENSOR - NAME */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_NAME);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_name_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_NAME));
+                }
+
+              /* LICENSOR - ID */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_ID);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_id_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_ID));
+                }
+
+              /* LICENSOR - PHONE NUMBER 1 */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_PHONE1);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_phone1_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_PHONE1));
+                }
+
+              /* LICENSOR - PHONE TYPE 1 */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_PHONE_TYPE1);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable",    TRUE,
+                                "text-column", 0,
+                                "has-entry",   FALSE,
+                                "model",       phonemodel,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_phone_type1_cell_edited_callback),
+                                    widget);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_PHONE_TYPE1));
+                }
+
+              /* LICENSOR - PHONE NUMBER 2 */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_PHONE2);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_phone2_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_PHONE2));
+                }
+
+              /* LICENSOR - PHONE TYPE 2 */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_PHONE_TYPE2);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable",    TRUE,
+                                "text-column", 0,
+                                "has-entry",   FALSE,
+                                "model",       phonemodel,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_phone_type2_cell_edited_callback),
+                                    widget);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_PHONE_TYPE2));
+                }
+
+              /* LICENSOR - EMAIL */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_EMAIL);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_email_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_EMAIL));
+                }
+
+              /* LICENSOR - WEB ADDRESS */
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget),
+                                                 COL_LICENSOR_WEB);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (licensor_web_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_LICENSOR_WEB));
+                }
+
+              counter = count_tags (metadata, LICENSOR_HEADER,
+                                    licensor,
+                                    n_licensor);
+
+              tagdata = get_tags (metadata, LICENSOR_HEADER,
+                                  licensor,
+                                  n_licensor, counter);
+
+              if (counter > 0 && tagdata)
+                {
+                  gint item;
+
+                  for (item = 0; item < counter; item++)
+                    {
+                      gchar **tagdatarow = (gchar **) tagdata[item];
+                      gchar   *type1;
+                      gchar   *type2;
+                      gint    types;
+
+                      type1 = g_strdup (gettext (phone_types[0].display));
+                      type2 = g_strdup (gettext (phone_types[0].display));
+
+                      for (types = 0; types < 6; types++)
+                        {
+                          /* phone type 1 */
+                          if (tagdatarow[3] &&
+                              ! strcmp (tagdatarow[3],
+                                        phone_types[types].data))
+                            {
+                              g_free (type1);
+                              type1 = g_strdup (gettext (phone_types[types].display));
+                            }
+
+                          /* phone type 2 */
+                          if (tagdatarow[5] &&
+                              ! strcmp (tagdatarow[5],
+                                        phone_types[types].data))
+                            {
+                              g_free (type2);
+                              type2 = g_strdup (gettext (phone_types[types].display));
+                            }
+                        }
+
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_LICENSOR_NAME,        tagdatarow[0],
+                                          COL_LICENSOR_ID,          tagdatarow[1],
+                                          COL_LICENSOR_PHONE1,      tagdatarow[2],
+                                          COL_LICENSOR_PHONE_TYPE1, type1,
+                                          COL_LICENSOR_PHONE2,      tagdatarow[4],
+                                          COL_LICENSOR_PHONE_TYPE2, type2,
+                                          COL_LICENSOR_EMAIL,       tagdatarow[6],
+                                          COL_LICENSOR_WEB,         tagdatarow[7],
+                                          -1);
+                      g_free (type1);
+                      g_free (type2);
+                    }
+                  free_tagdata(tagdata, counter, n_licensor);
+                }
+              else
+                {
+                  gint item;
+
+                  for (item = 0; item < 2; item++)
+                    {
+                      gtk_list_store_append (liststore, &iter);
+                      gtk_list_store_set (liststore, &iter,
+                                          COL_LICENSOR_NAME,        NULL,
+                                          COL_LICENSOR_ID,          NULL,
+                                          COL_LICENSOR_PHONE1,      NULL,
+                                          COL_LICENSOR_PHONE_TYPE1, gettext (phone_types[0].display),
+                                          COL_LICENSOR_PHONE2,      NULL,
+                                          COL_LICENSOR_PHONE_TYPE1, gettext (phone_types[0].display),
+                                          COL_LICENSOR_EMAIL,       NULL,
+                                          COL_LICENSOR_WEB,         NULL,
+                                          -1);
+                    }
+                }
+            }
+          /* Tab: IPTC Extension, Label: Property Release Identifier */
+          else if (! strcmp ("Xmp.plus.PropertyReleaseID",
+                              default_metadata_tags[i].tag))
+            {
+              GList             *rlist;
+              GList             *r;
+              GtkTreeViewColumn *column;
+              GtkCellRenderer   *renderer;
+              GtkTreeModel      *treemodel;
+              GtkListStore      *liststore;
+
+              treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+              liststore = GTK_LIST_STORE (treemodel);
+
+              gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)),
+                                           GTK_SELECTION_SINGLE);
+
+              column = gtk_tree_view_get_column (GTK_TREE_VIEW (widget), 0);
+              rlist = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+              for (r = rlist; r; r = r->next)
+                {
+                  renderer = r->data;
+
+                  g_object_set (renderer,
+                                "editable", TRUE,
+                                NULL);
+
+                  g_signal_connect (renderer, "edited",
+                                    G_CALLBACK (prop_rel_id_cell_edited_callback),
+                                    treemodel);
+
+                  g_object_set_data (G_OBJECT (renderer),
+                                     "column",
+                                     GINT_TO_POINTER (COL_PROP_REL_ID));
+                }
+
+              add_to_store (value, liststore, COL_PROP_REL_ID);
+            }
+        }
+
+      if (value)
+        {
+          if (! strcmp ("single", default_metadata_tags[i].mode))
+            {
+              gtk_entry_set_text (GTK_ENTRY (widget), value);
+            }
+          else if (! strcmp ("multi", default_metadata_tags[i].mode))
+            {
+              GtkTextBuffer *buffer;
+
+              buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
+              gtk_text_buffer_set_text (buffer, value, -1);
+            }
+          else if (! strcmp ("combo", default_metadata_tags[i].mode))
+            {
+              gint32 data = 0;
+
+              if (! strcmp ("Exif.GPSInfo.GPSLatitudeRef",
+                            default_metadata_tags[i].tag))
+                {
+                  if (! strncmp ("N", value, 1))
+                    {
+                      data = 1;
+                    }
+                  else if (! strncmp ("S", value, 1))
+                    {
+                      data = 2;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+              else if (! strcmp ("Exif.GPSInfo.GPSLongitudeRef",
+                                 default_metadata_tags[i].tag))
+                {
+                  if (! strncmp ("E", value, 1))
+                    {
+                      data = 1;
+                    }
+                  else if (! strncmp ("W", value, 1))
+                    {
+                      data = 2;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+              else if (! strcmp ("Exif.GPSInfo.GPSAltitudeRef",
+                                 default_metadata_tags[i].tag))
+                {
+                  if (! strncmp ("A", value, 1))
+                    {
+                      data = 1;
+                    }
+                  else if (! strncmp ("B", value, 1))
+                    {
+                      data = 2;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+              else if (! strcmp ("Xmp.xmp.Rating", default_metadata_tags[i].tag))
+                {
+                  if (! strcmp ("1", value))
+                    {
+                      data = 1;
+                    }
+                  else if (! strcmp ("2", value))
+                    {
+                      data = 2;
+                    }
+                  else if (! strcmp ("3", value))
+                    {
+                      data = 3;
+                    }
+                  else if (! strcmp ("4", value))
+                    {
+                      data = 4;
+                    }
+                  else if (! strcmp ("5", value))
+                    {
+                      data = 5;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+              else if (! strcmp ("Xmp.xmpRights.Marked",
+                                 default_metadata_tags[i].tag))
+                {
+                  if (! strcmp ("True", value))
+                    {
+                      data = 1;
+                    }
+                  else if (! strcmp ("False", value))
+                    {
+                      data = 2;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+              else if (! strcmp ("Xmp.photoshop.Urgency",
+                                 default_metadata_tags[i].tag))
+                {
+                  if (! strcmp ("1", value))
+                    {
+                      data = 1;
+                    }
+                  else if (! strcmp ("2", value))
+                    {
+                      data = 2;
+                    }
+                  else if (! strcmp ("3", value))
+                    {
+                      data = 3;
+                    }
+                  else if (! strcmp ("4", value))
+                    {
+                      data = 4;
+                    }
+                  else if (! strcmp ("5", value))
+                    {
+                      data = 5;
+                    }
+                  else if (! strcmp ("6", value))
+                    {
+                      data = 6;
+                    }
+                  else if (! strcmp ("7", value))
+                    {
+                      data = 7;
+                    }
+                  else if (! strcmp ("8", value))
+                    {
+                      data = 8;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+              else if (! strcmp ("Xmp.plus.MinorModelAgeDisclosure",
+                                 default_metadata_tags[i].tag))
+                {
+                  if (! strcmp ("Age Unknown", value))
+                    {
+                      data = 0;
+                    }
+                  else if (! strcmp ("Age 25 or Over", value))
+                    {
+                      data = 1;
+                    }
+                  else if (! strcmp ("Age 24", value))
+                    {
+                      data = 2;
+                    }
+                  else if (! strcmp ("Age 23", value))
+                    {
+                      data = 3;
+                    }
+                  else if (! strcmp ("Age 22", value))
+                    {
+                      data = 4;
+                    }
+                  else if (! strcmp ("Age 21", value))
+                    {
+                      data = 5;
+                    }
+                  else if (! strcmp ("Age 20", value))
+                    {
+                      data = 6;
+                    }
+                  else if (! strcmp ("Age 19", value))
+                    {
+                      data = 7;
+                    }
+                  else if (! strcmp ("Age 18", value))
+                    {
+                      data = 8;
+                    }
+                  else if (! strcmp ("Age 17", value))
+                    {
+                      data = 9;
+                    }
+                  else if (! strcmp ("Age 16", value))
+                    {
+                      data = 10;
+                    }
+                  else if (! strcmp ("Age 15", value))
+                    {
+                      data = 11;
+                    }
+                  else if (! strcmp ("Age 14 or Under", value))
+                    {
+                      data = 12;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+              else if (! strcmp ("Xmp.plus.ModelReleaseStatus",
+                                 default_metadata_tags[i].tag))
+                {
+                  gint loop;
+
+                  for (loop = 0; loop < n_modelreleasestatus; loop++)
+                    {
+                      if (! strcmp (modelreleasestatus[loop].data, value))
+                        {
+                          gtk_combo_box_set_active (GTK_COMBO_BOX (widget), loop);
+                          break;
+                        }
+
+                      if (! strcmp (gettext (modelreleasestatus[loop].display),
+                                    value))
+                        {
+                          gtk_combo_box_set_active (GTK_COMBO_BOX (widget), loop);
+                          break;
+                        }
+                    }
+                }
+              else if (! strcmp ("Xmp.iptcExt.DigitalSourceType",
+                                 default_metadata_tags[i].tag))
+                {
+                  gint loop;
+
+                  for (loop = 0; loop < n_digitalsourcetype; loop++)
+                    {
+                      if (! strcmp (digitalsourcetype[loop].data, value))
+                        {
+                          gtk_combo_box_set_active (GTK_COMBO_BOX (widget), loop);
+                          break;
+                        }
+
+                      if (! strcmp (gettext (digitalsourcetype[loop].display),
+                                    value))
+                        {
+                          gtk_combo_box_set_active (GTK_COMBO_BOX (widget), loop);
+                          break;
+                        }
+                    }
+                }
+              else if (! strcmp ("Xmp.plus.PropertyReleaseStatus",
+                                 default_metadata_tags[i].tag))
+                {
+                  gint loop;
+
+                  for (loop = 0; loop < 4; loop++)
+                    {
+                      if (! strcmp (propertyreleasestatus[loop].data, value))
+                        {
+                          gtk_combo_box_set_active (GTK_COMBO_BOX (widget), loop);
+                          break;
+                        }
+
+                      if (! strcmp (gettext (propertyreleasestatus[loop].display),
+                                    value))
+                        {
+                          gtk_combo_box_set_active (GTK_COMBO_BOX (widget), loop);
+                          break;
+                        }
+                    }
+                }
+              else if (! strcmp ("Xmp.DICOM.PatientSex",
+                                 default_metadata_tags[i].tag))
+                {
+                  if (! strcmp ("male", value))
+                    {
+                      data = 1;
+                    }
+                  else if (! strcmp ("female", value))
+                    {
+                      data = 2;
+                    }
+                  else if (! strcmp ("other", value))
+                    {
+                      data = 3;
+                    }
+
+                  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), data);
+                }
+            }
+          g_free (value);
+        }
+    }
+
+  /* Set Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:* last since the short form
+   * Xmp.iptc.Ci* could have been used to set this information too. Because
+   * the first (longer) form is the most common let that override the shorter
+   * form in the (unlikely) case that both are present and also have
+   * different values. Due to a bug in the metadata-editor previously only
+   * the short form was saved.
+   */
+  for (i = 0; i < creatorContactInfoHeader.size; i++)
+    {
+      GtkWidget *widget;
+
+      widget = builder_get_widget (builder, creatorContactInfoTags[i].id);
+
+      value = gexiv2_metadata_get_tag_interpreted_string (metadata,
+                                                          creatorContactInfoTags[i].tag);
+
+      if (value)
+        {
+          gchar *value_utf;
+
+          value_utf = clean_xmp_string (value);
+          g_free (value);
+
+          if (! strcmp ("single", creatorContactInfoTags[i].mode))
+            {
+              gtk_entry_set_text (GTK_ENTRY (widget), value_utf);
+            }
+          else if (! strcmp ("multi", creatorContactInfoTags[i].mode))
+            {
+              GtkTextBuffer *buffer;
+              buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
+              gtk_text_buffer_set_text (buffer, value_utf, -1);
+            }
+          g_free (value_utf);
+        }
+    }
+
+  /* Set creation date */
+  entry_widget = builder_get_widget (builder, "create_date_button");
+  g_signal_connect (entry_widget, "clicked",
+                    G_CALLBACK (on_create_date_button_clicked),
+                    builder_get_widget (builder,
+                                        "Xmp.photoshop.DateCreated"));
+
+  /* Set patient dob date */
+  entry_widget = builder_get_widget (builder, "dob_date_button");
+  g_signal_connect (entry_widget, "clicked",
+                    G_CALLBACK (on_patient_dob_date_button_clicked),
+                    builder_get_widget (builder,
+                                        "Xmp.DICOM.PatientDOB"));
+
+  /* Set study date */
+  entry_widget = builder_get_widget (builder, "study_date_button");
+  g_signal_connect (entry_widget, "clicked",
+                    G_CALLBACK (on_study_date_button_clicked),
+                    builder_get_widget (builder,
+                                        "Xmp.DICOM.StudyDateTime"));
+
+  /* Set series date */
+  entry_widget = builder_get_widget (builder, "series_date_button");
+  g_signal_connect (entry_widget, "clicked",
+                    G_CALLBACK (on_series_date_button_clicked),
+                    builder_get_widget (builder,
+                                        "Xmp.DICOM.SeriesDateTime"));
+}
+
+
+/* ============================================================================
+ * ==[ WRITE METADATA ]========================================================
+ * ============================================================================
+ */
+
+static void
+set_tag_failed (const gchar *tag)
+{
+  g_log ("", G_LOG_LEVEL_MESSAGE,
+         _("Failed to set metadata tag %s"), tag);
+}
+
+static void
+set_tag_string (GimpMetadata *metadata,
+                const gchar  *name,
+                const gchar  *value)
+{
+  gexiv2_metadata_clear_tag (GEXIV2_METADATA (metadata), name);
+
+  if (metadata == NULL) return;
+  if (name == NULL) return;
+  if (value == NULL) return;
+
+  if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (metadata),
+                                        name, value))
+    {
+      set_tag_failed (name);
+    }
+}
+
+static gchar *
+get_phonetype (gchar *cur_value)
+{
+  gchar *phone_type_value = NULL;
+  gint   types;
+
+  if (cur_value != NULL)
+    {
+      for (types = 0; types < 6; types++)
+        {
+          if (! strcmp (cur_value, gettext (phone_types[types].display)))
+            {
+              phone_type_value = strdup (phone_types[types].data);
+              break;
+            }
+        }
+      g_free (cur_value);
+    }
+  if (! phone_type_value)
+    phone_type_value = strdup (phone_types[0].data);
+  cur_value = phone_type_value;
+
+  return phone_type_value;
+}
+
+static void
+write_metadata_tag (GtkBuilder *builder, GimpMetadata *metadata, gchar * tag, gint data_column)
+{
+  GtkWidget     *list_widget;
+  GtkTreeModel  *treemodel;
+  gint           row;
+  gint           number_of_rows;
+  gchar         *rc_data;
+  GString       *data;
+
+  list_widget = builder_get_widget (builder, tag);
+  treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (list_widget));
+
+  number_of_rows = gtk_tree_model_iter_n_children (treemodel, NULL);
+
+  if (number_of_rows <= 0)
+    return;
+
+  data = g_string_sized_new (256);
+
+  for (row = 0; row < number_of_rows; row++)
+    {
+      GtkTreeIter iter;
+
+      if (gtk_tree_model_iter_nth_child (treemodel, &iter, NULL, row))
+        {
+          gtk_tree_model_get (treemodel, &iter,
+                              data_column, &rc_data,
+                              -1);
+          if (rc_data && rc_data[0] != '\0')
+            {
+              if (row > 0)
+                g_string_append (data, ", ");
+
+              g_string_append (data, rc_data);
+            }
+          g_free (rc_data);
+        }
+    }
+
+  g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_DEBUG,
+         "write_metadata_tag tag: %s, value: %s",
+         tag, data->str);
+
+  set_tag_string (metadata, tag, data->str);
+  g_string_free (data, TRUE);
+}
+
+static void
+write_metadata_tag_multiple (GtkBuilder *builder, GimpMetadata *metadata,
+                             GExiv2StructureType type, const gchar * header_tag,
+                             gint n_columns, const gchar **column_tags,
+                             const gint special_handling[])
+{
+  GtkWidget     *list_widget;
+  GtkTreeModel  *treemodel;
+  gint           row;
+  gint           number_of_rows;
+  gint           counter;
+  gchar          temp_tag[1024];
+
+  /* Clear old tag data first */
+  gexiv2_metadata_clear_tag (GEXIV2_METADATA (metadata), header_tag);
+
+  for (row = 0; row < 256; row++)
+    {
+      gint item;
+
+      for (item = 0; item < n_columns; item++)
+        {
+          g_snprintf (temp_tag, sizeof (temp_tag), "%s[%d]%s",
+                      header_tag, row, locationshown[item]);
+          gexiv2_metadata_clear_tag (GEXIV2_METADATA (metadata), temp_tag);
+        }
+    }
+
+  list_widget = builder_get_widget (builder, header_tag);
+  treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (list_widget));
+
+  number_of_rows = gtk_tree_model_iter_n_children (treemodel, NULL);
+
+  if (number_of_rows <= 0)
+    return;
+
+  gexiv2_metadata_set_xmp_tag_struct (GEXIV2_METADATA (metadata),
+                                      header_tag,
+                                      GEXIV2_STRUCTURE_XA_BAG);
+
+  /* We need a separate counter because an empty row will not be written */
+  counter = 1;
+  for (row = 0; row < number_of_rows; row++)
+    {
+      GtkTreeIter iter;
+
+      if (gtk_tree_model_iter_nth_child (treemodel, &iter, NULL, row))
+        {
+          gint col;
+
+          for (col = 0; col < n_columns; col++)
+            {
+              gchar *tag_data;
+
+              gtk_tree_model_get (treemodel, &iter,
+                                  col, &tag_data,
+                                  -1);
+
+              g_snprintf (temp_tag, sizeof (temp_tag), "%s[%d]%s",
+                          header_tag, counter, column_tags[col]);
+
+              if (special_handling)
+                switch(special_handling[col])
+                  {
+                  case METADATA_PHONETYPE:
+                    tag_data = get_phonetype (tag_data);
+                    break;
+                  }
+
+              g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_DEBUG,
+                     "write_metadata_tag_multiple tag: %s, value: %s, col: %d",
+                     temp_tag, tag_data, col);
+
+              set_tag_string (metadata, temp_tag, tag_data);
+              g_free (tag_data);
+            }
+          counter++;
+        }
+    }
+}
+
+static void
+set_gps_longitude_latitude (GimpMetadata *metadata,
+                            const gchar  *tag,
+                            const gchar  *value)
+{
+  /* \u00b0 - degree symbol */
+  const gchar  delimiters_dms[] = " deg'\":\u00b0";
+  gchar        lng_lat[256];
+  gchar       *s    = g_strdup (value);
+  gchar       *str1 = NULL;
+  gchar       *str2 = NULL;
+  gchar       *str3 = NULL;
+  gdouble      val  = 0.f;
+  gint         degrees, minutes;
+  gdouble      seconds;
+  gboolean     remove_val = FALSE;
+
+  g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "set_gps_longitude_latitude - Tag %s, Input value: %s", tag, value);
+
+  if (s && s[0] != '\0')
+    {
+      str1 = strtok (s, delimiters_dms);
+      str2 = strtok (NULL, delimiters_dms);
+      str3 = strtok (NULL, delimiters_dms);
+
+      g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "String split into: %s - %s - %s", str1, str2, str3);
+    }
+
+  g_free (s);
+
+  if (str1 && str2 && str3)
+    {
+      /* Assuming degrees, minutes, seconds */
+      degrees = g_ascii_strtoll (str1, NULL, 10);
+      minutes = g_ascii_strtoll (str2, NULL, 10);
+      seconds = g_ascii_strtod (str3, NULL);
+    }
+  else if (str1 && str2)
+    {
+      /* Assuming degrees, minutes */
+      gdouble min;
+
+      degrees = g_ascii_strtoll (str1, NULL, 10);
+      min = g_ascii_strtod (str2, NULL);
+      minutes = (gint) min;
+      seconds = (min - (gdouble) minutes) * 60.f;
+    }
+  else if (str1)
+    {
+      /* Assuming degrees only */
+      val = g_ascii_strtod (str1, NULL);
+      degrees = (gint) val;
+      minutes = (gint) ((val - (gdouble) degrees) * 60.f);
+      seconds = ((val - (gdouble) degrees - (gdouble) (minutes / 60.f)) * 60.f * 60.f);
+    }
+  else
+    remove_val = TRUE;
+
+  if (!remove_val)
+    {
+      g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "Converted values: %d - %d - %f", degrees, minutes, seconds);
+      g_snprintf (lng_lat, sizeof (lng_lat),
+                  "%d/1 %d/1 %d/1000",
+                  abs (degrees), abs (minutes), abs ((gint) (seconds * 1000.f)));
+      g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "Tag: %s, output string: %s", tag, lng_lat);
+
+      if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (metadata),
+                                            tag, lng_lat))
+        {
+          set_tag_failed (tag);
+        }
+    }
+  else
+    {
+      gexiv2_metadata_clear_tag (GEXIV2_METADATA (metadata), tag);
+      g_log (ME_LOG_DOMAIN, G_LOG_LEVEL_INFO, "Removed tag %s (no value).", tag);
+    }
+}
+
+void
+metadata_editor_write_callback (GtkWidget  *dialog,
+                                GtkBuilder *builder,
+                                gint32      image_id)
+{
+  GimpMetadata  *g_metadata;
+  gint           max_elements;
+  gint           i = 0;
+
+  g_metadata = gimp_image_get_metadata (image_id);
+
+  gimp_metadata_add_xmp_history (g_metadata, "metadata");
+
+  write_metadata_tag (builder, g_metadata,
+                      "Xmp.iptcExt.OrganisationInImageName",
+                      COL_ORG_IMG_NAME);
+
+  write_metadata_tag (builder, g_metadata,
+                      "Xmp.iptcExt.OrganisationInImageCode",
+                      COL_ORG_IMG_CODE);
+
+  write_metadata_tag (builder, g_metadata,
+                      "Xmp.plus.ModelReleaseID",
+                      COL_MOD_REL_ID);
+
+  write_metadata_tag (builder, g_metadata,
+                      "Xmp.plus.PropertyReleaseID",
+                      COL_PROP_REL_ID);
+
+  write_metadata_tag_multiple (builder, g_metadata, GEXIV2_STRUCTURE_XA_BAG,
+                               "Xmp.iptcExt.LocationShown",
+                               n_locationshown, locationshown_alternative, NULL);
+
+  write_metadata_tag_multiple (builder, g_metadata, GEXIV2_STRUCTURE_XA_BAG,
+                               "Xmp.iptcExt.ArtworkOrObject",
+                               n_artworkorobject, artworkorobject_alternative, NULL);
+
+  write_metadata_tag_multiple (builder, g_metadata, GEXIV2_STRUCTURE_XA_BAG,
+                               "Xmp.iptcExt.RegistryId",
+                               n_registryid, registryid_alternative, NULL);
+
+  write_metadata_tag_multiple (builder, g_metadata, GEXIV2_STRUCTURE_XA_SEQ,
+                               "Xmp.plus.ImageCreator",
+                               n_imagecreator, imagecreator, NULL);
+
+  write_metadata_tag_multiple (builder, g_metadata, GEXIV2_STRUCTURE_XA_SEQ,
+                               "Xmp.plus.CopyrightOwner",
+                               n_copyrightowner, copyrightowner, NULL);
+
+  write_metadata_tag_multiple (builder, g_metadata, GEXIV2_STRUCTURE_XA_SEQ,
+                               "Xmp.plus.Licensor",
+                               n_licensor, licensor,
+                               licensor_special_handling);
+
+  /* DO CREATOR TAGS */
+
+  if (hasCreatorTagData (builder))
+    {
+      if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                            creatorContactInfoHeader.header,
+                                            "type=\"Struct\""))
+        {
+          set_tag_failed (creatorContactInfoTags[i].tag);
+        }
+
+      for (i = 0; i < creatorContactInfoHeader.size; i++)
+        {
+          GObject *object = gtk_builder_get_object (builder,
+                                                    creatorContactInfoTags[i].id);
+
+          if (! strcmp ("single", creatorContactInfoTags[i].mode))
+            {
+              GtkEntry *entry = GTK_ENTRY (object);
+
+              if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                    creatorContactInfoTags[i].tag,
+                                                    gtk_entry_get_text (entry)))
+                {
+                  set_tag_failed (creatorContactInfoTags[i].tag);
+                }
+            }
+          else if (! strcmp ("multi", creatorContactInfoTags[i].mode))
+            {
+              GtkTextView   *text_view = GTK_TEXT_VIEW (object);
+              GtkTextBuffer *buffer;
+              GtkTextIter    start;
+              GtkTextIter    end;
+              gchar         *text;
+
+              buffer = gtk_text_view_get_buffer (text_view);
+              gtk_text_buffer_get_start_iter (buffer, &start);
+              gtk_text_buffer_get_end_iter (buffer, &end);
+
+              text = gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
+
+              if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                    creatorContactInfoTags[i].tag,
+                                                    text))
+                {
+                  set_tag_failed (creatorContactInfoTags[i].tag);
+                }
+
+              g_free (text);
+            }
+        }
+    }
+
+  /* DO SINGLE, MULTI AND COMBO TAGS */
+
+  else
+    {
+      gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                 creatorContactInfoHeader.header);
+
+      for (i = 0; i < creatorContactInfoHeader.size; i++)
+        {
+          gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                     creatorContactInfoTags[i].tag);
+        }
+    }
+
+  max_elements = n_default_metadata_tags;
+
+  for (i = 0; i < max_elements; i++)
+    {
+      GObject *object = gtk_builder_get_object (builder,
+                                                default_metadata_tags[i].tag);
+
+      /* SINGLE TAGS */
+
+      if (! strcmp ("single", default_metadata_tags[i].mode))
+        {
+          GtkEntry *entry       = GTK_ENTRY (object);
+          gchar    *value_entry = g_strdup (gtk_entry_get_text (entry));
+
+          if (! strcmp ("Exif.GPSInfo.GPSLongitude",
+                        default_metadata_tags[i].tag) ||
+              ! strcmp ("Exif.GPSInfo.GPSLatitude",
+                        default_metadata_tags[i].tag))
+            {
+              set_gps_longitude_latitude (g_metadata,
+                                          default_metadata_tags[i].tag,
+                                          value_entry);
+            }
+          else if (! strcmp ("Exif.GPSInfo.GPSAltitude",
+                             default_metadata_tags[i].tag))
+            {
+              GtkWidget *combo_widget;
+              gchar      alt_str[256];
+              gdouble    alt_d;
+              gint       msr;
+
+              combo_widget = builder_get_widget (builder,
+                                                 "GPSAltitudeSystem");
+              msr = gtk_combo_box_get_active (GTK_COMBO_BOX (combo_widget));
+
+              alt_d = atof (gtk_entry_get_text (entry));
+              if (msr == 1)
+                alt_d = (alt_d * 12 * 2.54);
+              else
+                alt_d *= 100.f;
+
+              g_snprintf (alt_str, sizeof (alt_str), "%d/100", (gint) alt_d);
+
+              if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                    default_metadata_tags[i].tag,
+                                                    alt_str))
+                {
+                  set_tag_failed (default_metadata_tags[i].tag);
+                }
+            }
+          else
+            {
+              gint         index;
+              const gchar *text_value = gtk_entry_get_text (entry);
+
+              if (default_metadata_tags[i].xmp_type == GIMP_XMP_TEXT ||
+                  default_metadata_tags[i].xmp_type == GIMP_XMP_NONE)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                  gexiv2_metadata_set_xmp_tag_struct (GEXIV2_METADATA (g_metadata),
+                                                      default_metadata_tags[i].tag,
+                                                      GEXIV2_STRUCTURE_XA_NONE);
+                  if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                        default_metadata_tags[i].tag,
+                                                        text_value))
+                    {
+                      set_tag_failed (default_metadata_tags[i].tag);
+                    }
+                }
+              else
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                  if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                        default_metadata_tags[i].tag,
+                                                        text_value))
+                    {
+                      set_tag_failed (default_metadata_tags[i].tag);
+                    }
+                }
+
+              index = default_metadata_tags[i].other_tag_index;
+              if (index > -1)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             equivalent_metadata_tags[index].tag);
+                  if (*text_value &&
+                      ! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                        equivalent_metadata_tags[index].tag,
+                                                        text_value))
+                    {
+                      set_tag_failed (equivalent_metadata_tags[index].tag);
+                    }
+                }
+            }
+        }
+
+      /* MULTI TAGS */
+
+      else if (! strcmp ("multi", default_metadata_tags[i].mode))
+        {
+          GtkTextView   *text_view = GTK_TEXT_VIEW (object);
+          GtkTextBuffer *buffer;
+          GtkTextIter    start;
+          GtkTextIter    end;
+          gchar         *text;
+          gint           index;
+
+          buffer = gtk_text_view_get_buffer (text_view);
+          gtk_text_buffer_get_start_iter (buffer, &start);
+          gtk_text_buffer_get_end_iter (buffer, &end);
+
+          text = gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
+
+          gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                     default_metadata_tags[i].tag);
+
+          if (text && *text)
+            {
+              if (default_metadata_tags[i].xmp_type == GIMP_XMP_TEXT ||
+                  default_metadata_tags[i].xmp_type == GIMP_XMP_NONE)
+                {
+                  gexiv2_metadata_set_xmp_tag_struct (GEXIV2_METADATA (g_metadata),
+                                                      default_metadata_tags[i].tag,
+                                                      GEXIV2_STRUCTURE_XA_NONE);
+                  if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                        default_metadata_tags[i].tag,
+                                                        text))
+                    {
+                      set_tag_failed (default_metadata_tags[i].tag);
+                    }
+                }
+              else
+                {
+                  gchar **multi;
+
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+
+                  /* We have one value per line. */
+                  multi = g_strsplit (text, "\n", 0);
+
+                  if (! gexiv2_metadata_set_tag_multiple (GEXIV2_METADATA (g_metadata),
+                                                          default_metadata_tags[i].tag,
+                                                          (const gchar **) multi))
+                    {
+                      set_tag_failed (default_metadata_tags[i].tag);
+                    }
+                  g_strfreev (multi);
+                }
+            }
+
+            index = default_metadata_tags[i].other_tag_index;
+            if (index > -1)
+              {
+                gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                           equivalent_metadata_tags[index].tag);
+
+                if (text && *text)
+                  {
+                    if (! strcmp ("multi", equivalent_metadata_tags[index].mode))
+                      {
+                        gchar **multi;
+
+                        multi = g_strsplit (text, "\n", 0);
+
+                        if (! gexiv2_metadata_set_tag_multiple (GEXIV2_METADATA (g_metadata),
+                                                                equivalent_metadata_tags[index].tag,
+                                                                (const gchar **) multi))
+                          {
+                            set_tag_failed (equivalent_metadata_tags[index].tag);
+                          }
+
+                        g_strfreev (multi);
+                      }
+                    else if (! strcmp ("single", equivalent_metadata_tags[index].mode))
+                      {
+                        /* Convert from multiline to single line: keep the \n and just add the whole text. */
+                        if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                              equivalent_metadata_tags[index].tag,
+                                                              text))
+                          {
+                            set_tag_failed (equivalent_metadata_tags[index].tag);
+                          }
+                      }
+                    else
+                      {
+                        g_warning ("Copying from multiline tag %s to %s tag %s not implemented!",
+                                   default_metadata_tags[i].tag,
+                                   equivalent_metadata_tags[index].mode,
+                                   equivalent_metadata_tags[index].tag);
+                      }
+                  }
+              }
+
+          if (text)
+            g_free (text);
+        }
+      else if (! strcmp ("list", default_metadata_tags[i].mode))
+        {
+          /* MIGHT DO SOMETHING HERE */
+        }
+
+      /* COMBO TAGS */
+
+      else if (! strcmp ("combo", default_metadata_tags[i].mode))
+        {
+          GtkComboBoxText *combo;
+          gint32           value;
+
+          combo = GTK_COMBO_BOX_TEXT (object);
+          value = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
+
+          if (! strcmp ("Xmp.photoshop.Urgency", default_metadata_tags[i].tag))
+            {
+              /* IPTC tab - Urgency */
+              if (value == 0)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             "Iptc.Application2.Urgency");
+                }
+              else
+                {
+                  gchar *save;
+
+                  save = g_strdup_printf ("%d", value);
+
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  save);
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  "Iptc.Application2.Urgency",
+                                                  save);
+                  g_free (save);
+                }
+            }
+          else if (! strcmp ("Xmp.xmpRights.Marked",
+                             default_metadata_tags[i].tag))
+            {
+              /* Description tab - Copyright Status */
+              if (value == 0)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                }
+              else
+                {
+                  gchar *save_value;
+
+                  if (value == 1)
+                    save_value = g_strdup_printf ("%s", "True");
+                  else /* (value == 2) */
+                    save_value = g_strdup_printf ("%s", "False");
+
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  save_value);
+                  g_free (save_value);
+                }
+            }
+          else if (! strcmp ("Xmp.xmp.Rating", default_metadata_tags[i].tag))
+            {
+              if (value == 0)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                }
+              else
+                {
+                  gchar *save;
+
+                  save = g_strdup_printf ("%d", value);
+
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  save);
+                  g_free (save);
+                }
+            }
+          else if (! strcmp ("Xmp.DICOM.PatientSex",
+                             default_metadata_tags[i].tag))
+            {
+              switch (value)
+                {
+                case 0:
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                  break;
+
+                case 1:
+                  if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                        default_metadata_tags[i].tag,
+                                                        "male"))
+                    {
+                      set_tag_failed (default_metadata_tags[i].tag);
+                    }
+                  break;
+
+                case 2:
+                  if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                        default_metadata_tags[i].tag,
+                                                        "female"))
+                    {
+                      set_tag_failed (default_metadata_tags[i].tag);
+                    }
+                  break;
+
+                case 3:
+                  if (! gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                        default_metadata_tags[i].tag,
+                                                        "other"))
+                    {
+                      set_tag_failed (default_metadata_tags[i].tag);
+                    }
+                  break;
+                }
+            }
+          else if (! strcmp ("Exif.GPSInfo.GPSLongitudeRef",
+                             default_metadata_tags[i].tag))
+            {
+              switch (value)
+                {
+                case 0:
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                  break;
+
+                case 1:
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  "E");
+                  break;
+
+                case 2:
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  "W");
+                  break;
+                }
+            }
+          else if (! strcmp ("Exif.GPSInfo.GPSLatitudeRef",
+                             default_metadata_tags[i].tag))
+            {
+              switch (value)
+                {
+                case 0:
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                  break;
+
+                case 1:
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  "N");
+                  break;
+
+                case 2:
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  "S");
+                  break;
+                }
+            }
+          else if (! strcmp ("Exif.GPSInfo.GPSAltitudeRef",
+                             default_metadata_tags[i].tag))
+            {
+              switch (value)
+                {
+                case 0:
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                  break;
+
+                case 1:
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  "0");
+                  break;
+
+                case 2:
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  "1");
+                  break;
+                }
+            }
+          else if (! strcmp ("Xmp.plus.ModelReleaseStatus",
+                             default_metadata_tags[i].tag))
+            {
+              if (value == 0)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                }
+              else
+                {
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  modelreleasestatus[value].data);
+                }
+            }
+          else if (! strcmp ("Xmp.plus.PropertyReleaseStatus",
+                             default_metadata_tags[i].tag))
+            {
+              if (value == 0)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                }
+              else
+                {
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  propertyreleasestatus[value].data);
+                }
+            }
+          else if (! strcmp ("Xmp.plus.MinorModelAgeDisclosure",
+                             default_metadata_tags[i].tag))
+            {
+              if (value == 0)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                }
+              else
+                {
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  minormodelagedisclosure[value].data);
+                }
+            }
+          else if (! strcmp ("Xmp.iptcExt.DigitalSourceType",
+                             default_metadata_tags[i].tag))
+            {
+              if (value == 0)
+                {
+                  gexiv2_metadata_clear_tag (GEXIV2_METADATA (g_metadata),
+                                             default_metadata_tags[i].tag);
+                }
+              else
+                {
+                  gexiv2_metadata_set_tag_string (GEXIV2_METADATA (g_metadata),
+                                                  default_metadata_tags[i].tag,
+                                                  digitalsourcetype[value].data);
+                }
+            }
+        }
+    }
+
+  gimp_image_set_metadata (image_id, g_metadata);
+}
+
+/* ============================================================================
+ * ==[ METADATA IMPORT / EXPORT FILE DIALOG UI ]===============================
+ * ============================================================================
+ */
+
+static void
+import_dialog_metadata (metadata_editor *args)
+{
+  GtkWidget *file_dialog;
+  gchar     *filename;
+
+  file_dialog = gtk_file_chooser_dialog_new (_("Import Metadata File"),
+                                             NULL,
+                                             GTK_FILE_CHOOSER_ACTION_OPEN,
+                                             _("_Cancel"), GTK_RESPONSE_CANCEL,
+                                             _("_Import"), GTK_RESPONSE_ACCEPT,
+                                             NULL);
+
+  gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (file_dialog),
+                                 args->filename);
+
+  if (gtk_dialog_run (GTK_DIALOG (file_dialog)) == GTK_RESPONSE_ACCEPT)
+    {
+      filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (file_dialog));
+
+      if (filename)
+        {
+          if (args->filename)
+            {
+              g_free (args->filename);
+            }
+
+          args->filename = g_strdup (filename);
+          import_file_metadata (args);
+        }
+    }
+
+  gtk_widget_destroy (file_dialog);
+}
+
+static void
+export_dialog_metadata (metadata_editor *args)
+{
+  GtkWidget *file_dialog;
+  gchar     *filename;
+
+  file_dialog = gtk_file_chooser_dialog_new (_("Export Metadata File"),
+                                             NULL,
+                                             GTK_FILE_CHOOSER_ACTION_SAVE,
+                                             _("_Cancel"), GTK_RESPONSE_CANCEL,
+                                             _("_Export"), GTK_RESPONSE_ACCEPT,
+                                             NULL);
+
+  gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (file_dialog),
+                                                  TRUE);
+  gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (file_dialog),
+                                 args->filename);
+
+  if (gtk_dialog_run (GTK_DIALOG (file_dialog)) == GTK_RESPONSE_ACCEPT)
+    {
+      filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (file_dialog));
+
+      if (filename)
+        {
+          if (args->filename)
+            {
+              g_free (args->filename);
+            }
+
+          args->filename = g_strdup (filename);
+          export_file_metadata (args);
+        }
+    }
+
+  gtk_widget_destroy (file_dialog);
+}
+
+static void
+impex_combo_callback (GtkComboBoxText *combo,
+                      gpointer         data)
+{
+  metadata_editor *args;
+  gint32           selection;
+
+  args = data;
+  selection = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
+
+  switch (selection)
+    {
+    case 1: /* Import */
+      import_dialog_metadata (args);
+      gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
+      break;
+
+    case 2: /* Export */
+      export_dialog_metadata (args);
+      gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
+      break;
+    }
+}
+
+
+static void
+gpsaltsys_combo_callback (GtkComboBoxText *combo,
+                          gpointer         data)
+{
+  GtkWidget  *entry;
+  GtkBuilder *builder;
+  gint32      selection;
+  gchar       alt_str[256];
+  double      alt_d;
+
+  builder = data;
+  selection = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
+
+  entry = builder_get_widget (builder, "Exif.GPSInfo.GPSAltitude");
+
+  switch (selection)
+    {
+    case 0: /* Meters */
+      if (last_gpsaltsys_sel != 0)
+        {
+          alt_d = atof (gtk_entry_get_text (GTK_ENTRY (entry)));
+          alt_d = (alt_d * (12 * 2.54)) / 100;
+
+          g_snprintf (alt_str, sizeof (alt_str), "%.2f", (float)alt_d);
+
+          gtk_entry_set_text (GTK_ENTRY (entry), alt_str);
+        }
+      break;
+
+    case 1: /* Feet */
+      if (last_gpsaltsys_sel != 1)
+        {
+          alt_d = atof (gtk_entry_get_text (GTK_ENTRY (entry)));
+          alt_d = alt_d * 3.28;
+
+          g_snprintf (alt_str, sizeof (alt_str), "%.2f", (float)alt_d);
+
+          gtk_entry_set_text (GTK_ENTRY (entry), alt_str);
+        }
+      break;
+    }
+
+  last_gpsaltsys_sel = selection;
+}
diff --git a/plug-ins/metadata/metadata-editor.h b/plug-ins/metadata/metadata-editor.h
new file mode 100644
index 0000000..c3fe93c
--- /dev/null
+++ b/plug-ins/metadata/metadata-editor.h
@@ -0,0 +1,27 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __METADATA_EDITOR_H__
+#define __METADATA_EDITOR_H__
+
+extern void metadata_editor_write_callback       (GtkWidget           *dialog,
+                                                  GtkBuilder          *builder,
+                                                  gint32               image_id);
+
+#endif /* __METADATA_EDITOR_H__ */
diff --git a/plug-ins/metadata/metadata-impexp.c b/plug-ins/metadata/metadata-impexp.c
new file mode 100644
index 0000000..c7bc176
--- /dev/null
+++ b/plug-ins/metadata/metadata-impexp.c
@@ -0,0 +1,244 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * metadata-editor.c
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gexiv2/gexiv2.h>
+
+#include <glib/gstdio.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+#include "metadata-xml.h"
+#include "metadata-misc.h"
+#include "metadata-tags.h"
+#include "metadata-impexp.h"
+#include "metadata-editor.h"
+
+extern gboolean gimpmetadata;
+extern gboolean xmptag;
+extern gboolean iptctag;
+extern gboolean tagvalue;
+extern gboolean tagname;
+extern gboolean force_write;
+extern gchar *str_tag_value;
+extern gchar *str_tag_name;
+
+const GMarkupParser xml_markup_parser =
+{
+  xml_parser_start_element,
+  xml_parser_end_element,
+  xml_parser_data,
+  NULL,  /*  passthrough  */
+  NULL   /*  error        */
+};
+
+
+/* ============================================================================
+ * ==[ METADATA IMPORT TEMPLATE ]==============================================
+ * ============================================================================
+ */
+void
+import_file_metadata(metadata_editor *args)
+{
+  GimpXmlParser  *xml_parser;
+  GError         *error = NULL;
+  FILE           *file;
+
+  gimpmetadata = FALSE;
+  xmptag = FALSE;
+  iptctag = FALSE;
+  tagvalue = FALSE;
+  tagname = FALSE;
+
+  file = g_fopen (args->filename, "r");
+  if (file != NULL)
+    {
+      /* parse xml data fetched from file */
+      xml_parser = xml_parser_new (&xml_markup_parser, args);
+      if (! xml_parser_parse_file (xml_parser, args->filename, &error))
+        {
+          g_warning ("Error parsing xml: %s.", error? error->message: "");
+          g_clear_error (&error);
+        }
+      xml_parser_free (xml_parser);
+
+      fclose (file);
+    }
+}
+
+/* ============================================================================
+ * ==[ METADATA EXPORT TEMPLATE ]==============================================
+ * ============================================================================
+ */
+void
+export_file_metadata (metadata_editor *args)
+{
+  FILE    *file;
+  GString *xmldata;
+  gint     i, size;
+
+  if (force_write == TRUE)
+    {
+      /* Save fields in case of updates */
+      metadata_editor_write_callback (args->dialog, args->builder, args->image_id);
+      /* Fetch a fresh copy of the metadata */
+      args->metadata = GEXIV2_METADATA (gimp_image_get_metadata (args->image_id));
+    }
+
+  xmldata = g_string_new ("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+                          "<gimp-metadata>\n");
+
+  /* HANDLE IPTC */
+  for (i = 0; i < n_equivalent_metadata_tags; i++)
+    {
+      int index = equivalent_metadata_tags[i].other_tag_index;
+      g_string_append (xmldata, "\t<iptc-tag>\n");
+      g_string_append (xmldata, "\t\t<tag-name>");
+      g_string_append (xmldata, equivalent_metadata_tags[i].tag);
+      g_string_append (xmldata, "</tag-name>\n");
+      g_string_append (xmldata, "\t\t<tag-mode>");
+      g_string_append (xmldata, equivalent_metadata_tags[i].mode);
+      g_string_append (xmldata, "</tag-mode>\n");
+      g_string_append (xmldata, "\t\t<tag-value>");
+
+      if (!strcmp("single", default_metadata_tags[index].mode) ||
+          !strcmp("multi", default_metadata_tags[index].mode))
+        {
+          const gchar *value;
+
+          value = get_tag_ui_text (args, default_metadata_tags[index].tag,
+                                   default_metadata_tags[index].mode);
+
+          if (value)
+            {
+              gchar *value_utf;
+
+              value_utf = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
+              g_string_append (xmldata, value_utf);
+              g_free (value_utf);
+            }
+        }
+      else if (!strcmp("combo", default_metadata_tags[index].mode))
+        {
+          gint data = get_tag_ui_combo (args, default_metadata_tags[index].tag,
+                                         default_metadata_tags[index].mode);
+          g_string_append_printf (xmldata, "%d", data);
+        }
+      else if (!strcmp("list", default_metadata_tags[i].mode))
+        {
+            /* No IPTC lists elements at this point */
+        }
+
+      g_string_append (xmldata, "</tag-value>\n");
+      g_string_append (xmldata, "\t</iptc-tag>\n");
+    }
+
+  /* HANDLE XMP */
+  for (i = 0; i < n_default_metadata_tags; i++)
+    {
+      g_string_append (xmldata, "\t<xmp-tag>\n");
+      g_string_append (xmldata, "\t\t<tag-name>");
+      g_string_append (xmldata, default_metadata_tags[i].tag);
+      g_string_append (xmldata, "</tag-name>\n");
+      g_string_append (xmldata, "\t\t<tag-mode>");
+      g_string_append (xmldata, default_metadata_tags[i].mode);
+      g_string_append (xmldata, "</tag-mode>\n");
+
+      if (!strcmp("single", default_metadata_tags[i].mode) ||
+          !strcmp("multi", default_metadata_tags[i].mode))
+        {
+          const gchar *value;
+
+          g_string_append (xmldata, "\t\t<tag-value>");
+          value = get_tag_ui_text (args, default_metadata_tags[i].tag,
+                                   default_metadata_tags[i].mode);
+
+          if (value)
+            {
+              gchar   *value_utf;
+
+              value_utf = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
+              g_string_append (xmldata, value_utf);
+              g_free (value_utf);
+            }
+
+          g_string_append (xmldata, "</tag-value>\n");
+        }
+      else if (!strcmp("combo", default_metadata_tags[i].mode))
+        {
+          gint data;
+
+          g_string_append (xmldata, "\t\t<tag-value>");
+
+          data = get_tag_ui_combo (args, default_metadata_tags[i].tag,
+                                         default_metadata_tags[i].mode);
+          g_string_append_printf (xmldata, "%d", data);
+
+          g_string_append (xmldata, "</tag-value>\n");
+        }
+      else if (!strcmp("list", default_metadata_tags[i].mode))
+        {
+          gchar *data;
+
+          g_string_append (xmldata, "\t\t<tag-list-value>\n");
+
+          data = get_tag_ui_list (args, default_metadata_tags[i].tag,
+                                        default_metadata_tags[i].mode);
+
+          if (data)
+            {
+              g_string_append (xmldata, data);
+              g_free(data);
+            }
+
+          g_string_append (xmldata, "\t\t</tag-list-value>\n");
+        }
+
+      g_string_append (xmldata, "\t</xmp-tag>\n");
+
+    }
+
+  g_string_append (xmldata, "</gimp-metadata>\n");
+
+
+  size = strlen (xmldata->str);
+  file = g_fopen (args->filename, "w");
+  if (file != NULL)
+    {
+      GError *error = NULL;
+
+      if (! g_file_set_contents (args->filename, xmldata->str, size, &error))
+        {
+          g_warning ("Error saving file: %s.", error? error->message: "");
+          g_clear_error (&error);
+        }
+      fclose (file);
+    }
+
+  if (xmldata)
+    {
+      g_string_free(xmldata, TRUE);
+    }
+}
+
diff --git a/plug-ins/metadata/metadata-impexp.h b/plug-ins/metadata/metadata-impexp.h
new file mode 100644
index 0000000..0229751
--- /dev/null
+++ b/plug-ins/metadata/metadata-impexp.h
@@ -0,0 +1,30 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __METADATA_IMPEXP_H__
+#define __METADATA_IMPEXP_H__
+
+void
+import_file_metadata                            (metadata_editor *args);
+
+void
+export_file_metadata                            (metadata_editor *args);
+
+#endif /* __METADATA_IMPEXP_H__ */
+
diff --git a/plug-ins/metadata/metadata-misc.h b/plug-ins/metadata/metadata-misc.h
new file mode 100644
index 0000000..4ba27d5
--- /dev/null
+++ b/plug-ins/metadata/metadata-misc.h
@@ -0,0 +1,70 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __METADATA_MISC_H__
+#define __METADATA_MISC_H__
+
+typedef struct
+{
+  GtkWidget      *dialog;
+  GtkBuilder     *builder;
+  GExiv2Metadata *metadata;
+  gint32          image_id;
+  gchar          *filename;
+} metadata_editor;
+
+typedef struct
+{
+  gchar  *tag;
+  gchar  *mode;
+  gint32  other_tag_index;
+  gint32  tag_type;
+  gint32  xmp_type;
+} metadata_tag;
+
+typedef struct
+{
+  gchar  *data;
+  gchar  *display;
+} combobox_str_tag;
+
+typedef struct
+{
+  gint32  data;
+  gchar  *display;
+} combobox_int_tag;
+
+typedef struct
+{
+  gchar  *header;
+  gchar  *type;
+  gint32  size;
+} TranslateHeaderTag;
+
+typedef struct
+{
+  gchar  *id;
+  gchar  *tag;
+  gchar  *mode;
+  gint32  other_tag_index;
+  gint32  tag_type;
+} TranslateTag;
+
+#endif /* __METADATA_MISC_H__ */
+
diff --git a/plug-ins/metadata/metadata-tags.c b/plug-ins/metadata/metadata-tags.c
new file mode 100644
index 0000000..5371367
--- /dev/null
+++ b/plug-ins/metadata/metadata-tags.c
@@ -0,0 +1,515 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gexiv2/gexiv2.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+
+#include <libgimp/gimp.h>
+#include "libgimp/stdplugins-intl.h"
+
+#include "metadata-tags.h"
+
+
+/* The meaning of "single" and "multi" here denotes whether it is used in a
+ * single line or a multi line edit field.
+ * Depending on it's xmp type multi line can be saved as either:
+ * - one tag of type text, possibly including newlines
+ * - an array of tags of the same type for seq and bag, where each line in
+ *   the multi line edit will be one item in the array
+ */
+const metadata_tag default_metadata_tags[] =
+{
+  /* Description */
+  { "Xmp.dc.title",                              "single", 16,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, //  0
+  { "Xmp.dc.creator",                            "single", 13,  TAG_TYPE_XMP, GIMP_XMP_SEQ   }, //  1
+  { "Xmp.dc.description",                        "multi",  14,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, //  2
+  { "Xmp.dc.subject",                            "multi",  15,  TAG_TYPE_XMP, GIMP_XMP_BAG   }, //  3
+  { "Xmp.dc.rights",                             "single", 17,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, //  4
+  { "Xmp.photoshop.AuthorsPosition",             "single", 19,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, //  5
+  { "Xmp.photoshop.CaptionWriter",               "single", 21,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, //  6
+  { "Xmp.xmp.Rating",                            "combo",  -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, //  7
+  { "Xmp.xmpRights.Marked",                      "combo",  -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, //  8
+  { "Xmp.xmpRights.WebStatement",                "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, //  9
+
+  /* IPTC */
+  { "Xmp.photoshop.DateCreated",                 "single",  0,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 10
+  { "Xmp.photoshop.Headline",                    "multi",   3,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 11
+  { "Xmp.photoshop.TransmissionReference",       "single",  1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 12
+  { "Xmp.photoshop.Instructions",                "multi",   2,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 13
+  { "Xmp.iptc.IntellectualGenre",                "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 14
+  { "Xmp.iptc.Scene",                            "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_BAG   }, // 15
+  { "Xmp.iptc.Location",                         "single", 18,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 16
+  { "Xmp.iptc.CountryCode",                      "single", 20,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 17
+  { "Xmp.iptc.SubjectCode",                      "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_BAG   }, // 18
+  { "Xmp.xmpRights.UsageTerms",                  "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 19
+  { "Xmp.photoshop.City",                        "single",  5,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 20
+  { "Xmp.photoshop.State",                       "single",  6,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 21
+  { "Xmp.photoshop.Country",                     "single",  7,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 22
+  /* Xmp.photoshop.CaptionWriter here is a duplicate of #6 above. We keep it here to not have
+   * to renumber the tag references. It seems it is not used on the IPTC tab. */
+  { "Xmp.photoshop.CaptionWriter",               "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 23
+  { "Xmp.photoshop.Credit",                      "single",  8,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 24
+  { "Xmp.photoshop.Source",                      "single",  9,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 25
+  { "Xmp.photoshop.Urgency",                     "combo",  11,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 26
+
+  /* IPTC Extension */
+  { "Xmp.iptcExt.PersonInImage",                 "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_BAG   }, // 27
+  { "Xmp.iptcExt.Sublocation",                   "single", 12,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 28
+  { "Xmp.iptcExt.City",                          "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 29
+  { "Xmp.iptcExt.ProvinceState",                 "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 30
+  { "Xmp.iptcExt.CountryName",                   "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 31
+  { "Xmp.iptcExt.CountryCode",                   "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 32
+  { "Xmp.iptcExt.WorldRegion",                   "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 33
+  { "Xmp.iptcExt.LocationShown",                 "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 34
+  { "Xmp.iptcExt.OrganisationInImageName",       "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 35
+  { "Xmp.iptcExt.OrganisationInImageCode",       "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 36
+  { "Xmp.iptcExt.Event",                         "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 37
+  { "Xmp.iptcExt.RegistryId",                    "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 38
+  { "Xmp.iptcExt.ArtworkOrObject",               "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 39
+  { "Xmp.iptcExt.AddlModelInfo",                 "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 40
+  { "Xmp.iptcExt.ModelAge",                      "single", -1,  TAG_TYPE_XMP, GIMP_XMP_BAG   }, // 41
+  { "Xmp.iptcExt.MaxAvailWidth",                 "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 42
+  { "Xmp.iptcExt.MaxAvailHeight",                "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 43
+  { "Xmp.iptcExt.DigitalSourceType",             "combo",  -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 44
+  { "Xmp.plus.MinorModelAgeDisclosure",          "combo",  -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 45
+  { "Xmp.plus.ModelReleaseStatus",               "combo",  -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 46
+  { "Xmp.plus.ModelReleaseID",                   "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 47
+  { "Xmp.plus.ImageSupplierName",                "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 48
+  { "Xmp.plus.ImageSupplierID",                  "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 49
+  { "Xmp.plus.ImageSupplierImageID",             "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 50
+  { "Xmp.plus.ImageCreator",                     "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 51
+  { "Xmp.plus.CopyrightOwner",                   "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 52
+  { "Xmp.plus.Licensor",                         "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 53
+  { "Xmp.plus.PropertyReleaseStatus",            "combo",  -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 54
+  { "Xmp.plus.PropertyReleaseID",                "list",   -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 55
+
+  /* Categories */
+  { "Xmp.photoshop.Category",                    "single",  4,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 56
+  { "Xmp.photoshop.SupplementalCategories",      "multi",  10,  TAG_TYPE_XMP, GIMP_XMP_BAG   }, // 57
+
+  /* GPS */
+  { "Exif.GPSInfo.GPSLongitude",                 "single", -1,  TAG_TYPE_EXIF, GIMP_XMP_NONE }, // 58
+  { "Exif.GPSInfo.GPSLongitudeRef",              "combo",  -1,  TAG_TYPE_EXIF, GIMP_XMP_NONE }, // 59
+  { "Exif.GPSInfo.GPSLatitude",                  "single", -1,  TAG_TYPE_EXIF, GIMP_XMP_NONE }, // 60
+  { "Exif.GPSInfo.GPSLatitudeRef",               "combo",  -1,  TAG_TYPE_EXIF, GIMP_XMP_NONE }, // 61
+  { "Exif.GPSInfo.GPSAltitude",                  "single", -1,  TAG_TYPE_EXIF, GIMP_XMP_NONE }, // 62
+  { "Exif.GPSInfo.GPSAltitudeRef",               "combo",  -1,  TAG_TYPE_EXIF, GIMP_XMP_NONE }, // 63
+
+  /* DICOM */
+  { "Xmp.DICOM.PatientName",                     "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 64
+  { "Xmp.DICOM.PatientID",                       "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 65
+  { "Xmp.DICOM.PatientDOB",                      "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 66
+  { "Xmp.DICOM.PatientSex",                      "combo",  -1,  TAG_TYPE_XMP, GIMP_XMP_NONE  }, // 67
+  { "Xmp.DICOM.StudyID",                         "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 68
+  { "Xmp.DICOM.StudyPhysician",                  "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 69
+  { "Xmp.DICOM.StudyDateTime",                   "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 70
+  { "Xmp.DICOM.StudyDescription",                "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 71
+  { "Xmp.DICOM.SeriesNumber",                    "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 72
+  { "Xmp.DICOM.SeriesModality",                  "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 73
+  { "Xmp.DICOM.SeriesDateTime",                  "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 74
+  { "Xmp.DICOM.SeriesDescription",               "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 75
+  { "Xmp.DICOM.EquipmentInstitution",            "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 76
+  { "Xmp.DICOM.EquipmentManufacturer",           "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 77
+
+  /* IPTC */
+  { "Xmp.iptc.CiAdrExtadr",                      "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 78
+  { "Xmp.iptc.CiAdrCity",                        "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 79
+  { "Xmp.iptc.CiAdrRegion",                      "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 80
+  { "Xmp.iptc.CiAdrPcode",                       "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 81
+  { "Xmp.iptc.CiAdrCtry",                        "single", -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 82
+  { "Xmp.iptc.CiTelWork",                        "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 83
+  { "Xmp.iptc.CiEmailWork",                      "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }, // 84
+  { "Xmp.iptc.CiUrlWork",                        "multi",  -1,  TAG_TYPE_XMP, GIMP_XMP_TEXT  }  // 85
+
+};
+const gint n_default_metadata_tags = G_N_ELEMENTS (default_metadata_tags);
+
+/* Then meaning of "single" and "multi" below is a little different than above.
+ * "single" - for iptc tags that can appear only once,
+ * "multi"  - for iptc tags that are repeatable, i.e. can appear multiple times.
+ */
+const metadata_tag equivalent_metadata_tags[] =
+{
+  { "Iptc.Application2.DateCreated",             "single", 10,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  0
+  { "Iptc.Application2.TransmissionReference",   "single", 12,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  1
+  { "Iptc.Application2.SpecialInstructions",     "single", 13,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  2
+  { "Iptc.Application2.Headline",                "single", 11,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  3
+  { "Iptc.Application2.Category",                "single", 56,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  4
+  { "Iptc.Application2.City",                    "single", 20,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  5
+  { "Iptc.Application2.ProvinceState",           "single", 21,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  6
+  { "Iptc.Application2.CountryName",             "single", 22,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  7
+  { "Iptc.Application2.Credit",                  "single", 24,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  8
+  { "Iptc.Application2.Source",                  "single", 25,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, //  9
+  { "Iptc.Application2.SuppCategory",            "multi",  57,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 10
+  { "Iptc.Application2.Urgency",                 "combo",  26,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 11
+  { "Iptc.Application2.SubLocation",             "single", 28,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 12
+  { "Iptc.Application2.Byline",                  "single",  1,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 13
+  { "Iptc.Application2.Caption",                 "single",  2,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 14
+  { "Iptc.Application2.Keywords",                "multi",   3,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 15
+  { "Iptc.Application2.ObjectName",              "single",  0,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 16
+  { "Iptc.Application2.Copyright",               "single",  4,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 17
+  { "Iptc.Application2.LocationName",            "multi",  16,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 18
+  { "Iptc.Application2.BylineTitle",             "multi",   5,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 19
+  { "Iptc.Application2.CountryCode",             "single", 17,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 20
+  { "Iptc.Application2.Writer",                  "multi",   6,  TAG_TYPE_IPTC, GIMP_XMP_NONE }, // 21
+};
+const gint n_equivalent_metadata_tags = G_N_ELEMENTS (equivalent_metadata_tags);
+
+/* Digital Source Type Combobox Items
+ * http://cv.iptc.org/newscodes/digitalsourcetype/
+ */
+const combobox_str_tag digitalsourcetype[] =
+{
+  { "",                                                                       N_("Select a value")                                   },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/digitalCapture",          N_("Original digital capture of a real life scene")    },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/negativeFilm",            N_("Digitized from a negative on film")                },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/positiveFilm",            N_("Digitized from a positive on film")                },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/print",                   N_("Digitized from a print on non-transparent medium") },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/minorHumanEdits",         N_("Original media with minor human edits")            },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/compositeCapture",        N_("Composite of captured elements")                   },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/algorithmicallyEnhanced", N_("Algorithmically-enhanced media")                   },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/dataDrivenMedia",         N_("Data-driven media")                                },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/digitalArt",              N_("Digital art")                                      },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/virtualRecording",        N_("Virtual recording")                                },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/compositeSynthetic",      N_("Composite including synthetic elements")           },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia", N_("Trained algorithmic media")                        },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/algorithmicMedia",        N_("Pure algorithmic media")                           },
+  { "http://cv.iptc.org/newscodes/digitalsourcetype/softwareImage",           N_("Created by software")                              }
+};
+const gint n_digitalsourcetype = G_N_ELEMENTS (digitalsourcetype);
+
+/* Model Release Status Combobox Items
+ * http://ns.useplus.org/LDF/ldf-XMPSpecification#ModelReleaseStatus
+ */
+const combobox_str_tag modelreleasestatus[] =
+{
+  { "",                                       N_("Select a value")                       },
+  { "http://ns.useplus.org/ldf/vocab/MR-NON", N_("None")                                 },
+  { "http://ns.useplus.org/ldf/vocab/MR-NAP", N_("Not Applicable")                       },
+  { "http://ns.useplus.org/ldf/vocab/MR-UMR", N_("Unlimited Model Releases")             },
+  { "http://ns.useplus.org/ldf/vocab/MR-LMR", N_("Limited or Incomplete Model Releases") }
+};
+const gint n_modelreleasestatus = G_N_ELEMENTS (modelreleasestatus);
+
+/* Property Release Status Combobox Items
+ * http://ns.useplus.org/LDF/ldf-XMPSpecification#PropertyReleaseStatus
+ */
+const combobox_str_tag propertyreleasestatus[] =
+{
+  { "http://ns.useplus.org/ldf/vocab/PR-NON", N_("None")                                    },
+  { "http://ns.useplus.org/ldf/vocab/PR-NAP", N_("Not Applicable")                          },
+  { "http://ns.useplus.org/ldf/vocab/PR-UPR", N_("Unlimited Property Releases")             },
+  { "http://ns.useplus.org/ldf/vocab/PR-LPR", N_("Limited or Incomplete Property Releases") }
+};
+const gint n_propertyreleasestatus = G_N_ELEMENTS (propertyreleasestatus);
+
+/* Minor Model Age Disclosure Combobox Items
+ * http://ns.useplus.org/LDF/ldf-XMPSpecification#MinorModelAgeDisclosure
+ */
+const combobox_str_tag minormodelagedisclosure[] =
+{
+  { "http://ns.useplus.org/ldf/vocab/AG-UNK", N_("Age Unknown")     },
+  { "http://ns.useplus.org/ldf/vocab/AG-A25", N_("Age 25 or Over")  },
+  { "http://ns.useplus.org/ldf/vocab/AG-A24", N_("Age 24")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A23", N_("Age 23")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A22", N_("Age 22")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A21", N_("Age 21")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A20", N_("Age 20")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A19", N_("Age 19")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A18", N_("Age 18")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A17", N_("Age 17")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A16", N_("Age 16")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-A15", N_("Age 15")          },
+  { "http://ns.useplus.org/ldf/vocab/AG-U14", N_("Age 14 or Under") }
+};
+const gint n_minormodelagedisclosure = G_N_ELEMENTS (minormodelagedisclosure);
+
+/* Urgency */
+const gchar *urgency[] =
+{
+  N_("None"), N_("High"), N_("2"), N_("3"), N_("4"), N_("Normal"), N_("6"), N_("7"), N_("Low")
+};
+const gint n_urgency = G_N_ELEMENTS (urgency);
+
+/* Marked */
+const combobox_int_tag marked[] =
+{
+  { -1,     N_("Unknown")       }, // DO NOT SAVE
+  {  TRUE,  N_("Copyrighted")   }, // TRUE
+  {  FALSE, N_("Public Domain") }, // FALSE
+};
+const gint n_marked = G_N_ELEMENTS (marked);
+
+/* Phone Types */
+const combobox_str_tag phone_types[] =
+{
+  { "",                                      N_("Select a value") },
+  { "http://ns.useplus.org/ldf/vocab/work",  N_("Work")  },
+  { "http://ns.useplus.org/ldf/vocab/cell",  N_("Cell")  },
+  { "http://ns.useplus.org/ldf/vocab/fax",   N_("Fax")   },
+  { "http://ns.useplus.org/ldf/vocab/home",  N_("Home")  },
+  { "http://ns.useplus.org/ldf/vocab/pager", N_("Pager") }
+};
+const gint n_phone_types = G_N_ELEMENTS (phone_types);
+
+/* DICOM Patient Sex
+ * http://dicomlookup.com/lookup.asp?sw=Ttable&q=C.7-1
+ * http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/XMP.html#DICOM
+ * https://dicomiseasy.blogspot.ca/2011/11/introduction-to-dicom-chapter-iii-dicom.html
+ * http://dicom.nema.org/standard.html
+ */
+const combobox_str_tag dicom[] =
+{
+  { "",        N_("Select a value") },
+  { "male",    N_("Male")    },
+  { "female",  N_("Female")  },
+  { "other",   N_("Other")   },
+};
+const gint n_dicom = G_N_ELEMENTS (dicom);
+
+/* GPS Altitude Ref */
+const gchar *gpsaltref[] =
+{
+  N_("Unknown"), N_("Above sea level"), N_("Below sea level")
+};
+const gint n_gpsaltref = G_N_ELEMENTS (gpsaltref);
+
+/* GPS Latitude Ref */
+const gchar *gpslatref[] =
+{
+  N_("Unknown"), N_("North"), N_("South")
+};
+const gint n_gpslatref = G_N_ELEMENTS (gpslatref);
+
+/* GPS Longitude Ref */
+const gchar *gpslngref[] =
+{
+  N_("Unknown"), N_("East"), N_("West")
+};
+const gint n_gpslngref = G_N_ELEMENTS (gpslngref);
+
+/* GPS Measurement System */
+const gchar *gpsaltsys[] =
+{
+  "m", "ft"
+};
+const gint n_gpsaltsys = G_N_ELEMENTS (gpsaltsys);
+
+const TranslateHeaderTag creatorContactInfoHeader =
+{
+  "Xmp.iptc.CreatorContactInfo", "type=\"Struct\"", 8
+};
+
+const TranslateTag creatorContactInfoTags[] =
+{
+  { "Xmp.iptc.CiAdrExtadr", "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiAdrExtadr", "multi",  -1,  TAG_TYPE_XMP },
+  { "Xmp.iptc.CiAdrCity",   "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiAdrCity",   "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptc.CiAdrRegion", "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiAdrRegion", "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptc.CiAdrPcode",  "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiAdrPcode",  "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptc.CiAdrCtry",   "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiAdrCtry",   "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptc.CiTelWork",   "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiTelWork",   "multi",  -1,  TAG_TYPE_XMP },
+  { "Xmp.iptc.CiEmailWork", "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiEmailWork", "multi",  -1,  TAG_TYPE_XMP },
+  { "Xmp.iptc.CiUrlWork",   "Xmp.iptc.CreatorContactInfo/Iptc4xmpCore:CiUrlWork",   "multi",  -1,  TAG_TYPE_XMP }
+};
+
+const TranslateHeaderTag locationCreationInfoHeader =
+{
+  "Xmp.iptcExt.LocationCreated", "type=\"Bag\"", 6
+};
+
+const TranslateTag locationCreationInfoTags[] =
+{
+  { "Xmp.iptcExt.Sublocation",   "Xmp.iptcExt.LocationCreated[1]/Iptc4xmpExt:Sublocation",   "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptcExt.City",          "Xmp.iptcExt.LocationCreated[1]/Iptc4xmpExt:City",          "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptcExt.ProvinceState", "Xmp.iptcExt.LocationCreated[1]/Iptc4xmpExt:ProvinceState", "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptcExt.CountryName",   "Xmp.iptcExt.LocationCreated[1]/Iptc4xmpExt:CountryName",   "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptcExt.CountryCode",   "Xmp.iptcExt.LocationCreated[1]/Iptc4xmpExt:CountryCode",   "single", -1,  TAG_TYPE_XMP },
+  { "Xmp.iptcExt.WorldRegion",   "Xmp.iptcExt.LocationCreated[1]/Iptc4xmpExt:WorldRegion",   "single", -1,  TAG_TYPE_XMP }
+};
+
+const TranslateHeaderTag imageSupplierInfoHeader =
+{
+  "Xmp.plus.ImageSupplier", "type=\"Seq\"", 2
+};
+
+const TranslateTag imageSupplierInfoTags[] =
+{
+  { "Xmp.plus.ImageSupplierName",   "Xmp.plus.ImageSupplier[1]/plus:ImageSupplierName", "multi",  -1,  TAG_TYPE_XMP },
+  { "Xmp.plus.ImageSupplierID",     "Xmp.plus.ImageSupplier[1]/plus:ImageSupplierID",   "single", -1,  TAG_TYPE_XMP }
+};
+
+/* Plus and IPTC extension tags */
+
+const gchar *licensor[] =
+{
+  "/plus:LicensorName",
+  "/plus:LicensorID",
+  "/plus:LicensorTelephone1",
+  "/plus:LicensorTelephoneType1",
+  "/plus:LicensorTelephone2",
+  "/plus:LicensorTelephoneType2",
+  "/plus:LicensorEmail",
+  "/plus:LicensorURL"
+};
+const gint n_licensor = G_N_ELEMENTS (licensor);
+
+const gint licensor_special_handling[] =
+{
+  METADATA_NONE,
+  METADATA_NONE,
+  METADATA_NONE,
+  METADATA_PHONETYPE,
+  METADATA_NONE,
+  METADATA_PHONETYPE,
+  METADATA_NONE,
+  METADATA_NONE
+};
+
+#ifdef USE_TAGS
+const gchar *imagesupplier[] =
+{
+  "/plus:ImageSupplierName",
+  "/plus:ImageSupplierID"
+};
+const gint n_imagesupplier = G_N_ELEMENTS (imagesupplier);
+#endif
+
+const gchar *imagecreator[] =
+{
+  "/plus:ImageCreatorName",
+  "/plus:ImageCreatorID"
+};
+const gint n_imagecreator = G_N_ELEMENTS (imagecreator);
+
+const gchar *copyrightowner[] =
+{
+  "/plus:CopyrightOwnerName",
+  "/plus:CopyrightOwnerID"
+};
+const gint n_copyrightowner = G_N_ELEMENTS (copyrightowner);
+
+const gchar *registryid[] =
+{
+  "/Iptc4xmpExt:RegOrgId",
+  "/Iptc4xmpExt:RegItemId"
+};
+const gint n_registryid = G_N_ELEMENTS (registryid);
+
+const gchar *registryid_alternative[] =
+{
+  "/iptcExt:RegOrgId",
+  "/iptcExt:RegItemId"
+};
+
+const gchar *artworkorobject[] =
+{
+  "/Iptc4xmpExt:AOTitle",
+  "/Iptc4xmpExt:AODateCreated",
+  "/Iptc4xmpExt:AOCreator",
+  "/Iptc4xmpExt:AOSource",
+  "/Iptc4xmpExt:AOSourceInvNo",
+  "/Iptc4xmpExt:AOCopyrightNotice",
+};
+const gint n_artworkorobject = G_N_ELEMENTS (artworkorobject);
+
+const gchar *artworkorobject_alternative[] =
+{
+  "/iptcExt:AOTitle",
+  "/iptcExt:AODateCreated",
+  "/iptcExt:AOCreator",
+  "/iptcExt:AOSource",
+  "/iptcExt:AOSourceInvNo",
+  "/iptcExt:AOCopyrightNotice",
+};
+
+const gchar *locationshown[] =
+{
+  "/Iptc4xmpExt:Sublocation",
+  "/Iptc4xmpExt:City",
+  "/Iptc4xmpExt:ProvinceState",
+  "/Iptc4xmpExt:CountryName",
+  "/Iptc4xmpExt:CountryCode",
+  "/Iptc4xmpExt:WorldRegion"
+};
+const gint n_locationshown = G_N_ELEMENTS (locationshown);
+
+const gchar *locationshown_alternative[] =
+{
+  "/iptcExt:Sublocation",
+  "/iptcExt:City",
+  "/iptcExt:ProvinceState",
+  "/iptcExt:CountryName",
+  "/iptcExt:CountryCode",
+  "/iptcExt:WorldRegion"
+};
+
+
+#ifdef USE_TAGS
+const gchar *locationcreated[] =
+{
+  "/Iptc4xmpExt:Sublocation",
+  "/Iptc4xmpExt:City",
+  "/Iptc4xmpExt:ProvinceState",
+  "/Iptc4xmpExt:CountryName",
+  "/Iptc4xmpExt:CountryCode",
+  "/Iptc4xmpExt:WorldRegion"
+};
+const gint n_locationcreated = G_N_ELEMENTS (locationcreated);
+#endif
+
+
+gchar *
+metadata_format_gps_longitude_latitude (const gdouble value)
+{
+  gint     deg, min;
+  gdouble  sec;
+  gdouble  gps_value = value;
+
+  if (gps_value < 0.f)
+    gps_value *= -1.f;
+
+  deg = (gint) gps_value;
+  min = (gint) ((gps_value - (gdouble) deg) * 60.f);
+  sec = ((gps_value - (gdouble) deg - (gdouble) (min / 60.f)) * 60.f * 60.f);
+
+  return g_strdup_printf ("%ddeg %d' %.3f\"", deg, min, sec);
+}
+
+/*
+ * use_meter: True return meters, False return feet
+ * measurement_symbol: Should be "m", "ft", or empty string (not NULL)
+ */
+gchar *
+metadata_format_gps_altitude (const gdouble  value,
+                              gboolean       use_meter,
+                              gchar         *measurement_symbol)
+{
+  gdouble  gps_value = value;
+
+  if (gps_value < 0.f)
+    gps_value *= -1.f;
+
+  if (! use_meter)
+    {
+      gps_value *= 3.28;
+    }
+
+  return g_strdup_printf ("%.2f%s", gps_value, measurement_symbol);
+}
diff --git a/plug-ins/metadata/metadata-tags.h b/plug-ins/metadata/metadata-tags.h
new file mode 100644
index 0000000..81209d5
--- /dev/null
+++ b/plug-ins/metadata/metadata-tags.h
@@ -0,0 +1,253 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __METADATA_TAGS_H__
+#define __METADATA_TAGS_H__
+
+#include "metadata-misc.h"
+
+#define TAG_TYPE_XMP            1
+#define TAG_TYPE_EXIF           2
+#define TAG_TYPE_IPTC           3
+
+enum
+{
+  GIMP_XMP_NONE = 0,
+  GIMP_XMP_TEXT,
+  GIMP_XMP_BAG,
+  GIMP_XMP_SEQ,
+  GIMP_XMP_LANG,
+  GIMP_XMP_ALT
+};
+
+enum
+{
+  COL_LICENSOR_NAME = 0,
+  COL_LICENSOR_ID,
+  COL_LICENSOR_PHONE1,
+  COL_LICENSOR_PHONE_TYPE1,
+  COL_LICENSOR_PHONE2,
+  COL_LICENSOR_PHONE_TYPE2,
+  COL_LICENSOR_EMAIL,
+  COL_LICENSOR_WEB,
+  COL_LICENSOR_NUM_COLS
+};
+
+enum
+{
+  COL_CR_OWNER_NAME = 0,
+  COL_CR_OWNER_ID,
+  COL_CR_OWNER_NUM_COLS
+};
+
+enum
+{
+  COL_IMG_CR8_NAME = 0,
+  COL_IMG_CR8_ID,
+  COL_IMG_CR8_NUM_COLS
+};
+
+enum
+{
+  COL_AOO_TITLE = 0,
+  COL_AOO_DATE_CREAT,
+  COL_AOO_CREATOR,
+  COL_AOO_SOURCE,
+  COL_AOO_SRC_INV_ID,
+  COL_AOO_CR_NOT,
+  COL_AOO_NUM_COLS
+};
+
+enum
+{
+  COL_REGISTRY_ORG_ID = 0,
+  COL_REGISTRY_ITEM_ID,
+  COL_REGISTRY_NUM_COLS
+};
+
+enum
+{
+  COL_LOC_SHO_SUB_LOC = 0,
+  COL_LOC_SHO_CITY,
+  COL_LOC_SHO_STATE_PROV,
+  COL_LOC_SHO_CNTRY,
+  COL_LOC_SHO_CNTRY_ISO,
+  COL_LOC_SHO_CNTRY_WRLD_REG,
+  COL_LOC_SHO_NUM_COLS
+};
+
+enum
+{
+  COL_ORG_IMG_CODE = 0,
+  ORG_IMG_CODE_REL_NUM_COLS
+};
+
+enum
+{
+  COL_ORG_IMG_NAME = 0,
+  ORG_IMG_NAME_REL_NUM_COLS
+};
+
+enum
+{
+  COL_MOD_REL_ID = 0,
+  MOD_REL_NUM_COLS
+};
+
+enum
+{
+  COL_PROP_REL_ID = 0,
+  PROP_REL_NUM_COLS
+};
+
+enum METADATA_SPECIAL_PROCESSING
+{
+  METADATA_NONE = 0,
+  METADATA_PHONETYPE,
+  METADATA_PREPROCESS_TEXT
+};
+
+extern const metadata_tag default_metadata_tags[];
+extern const gint         n_default_metadata_tags;
+
+extern const metadata_tag equivalent_metadata_tags[];
+extern const gint         n_equivalent_metadata_tags;
+
+/* Digital Source Type Combobox Items
+ * http://cv.iptc.org/newscodes/digitalsourcetype/
+ */
+extern const combobox_str_tag digitalsourcetype[];
+extern const gint             n_digitalsourcetype;
+
+/* Model Release Status Combobox Items
+ * http://ns.useplus.org/LDF/ldf-XMPSpecification#ModelReleaseStatus
+ */
+extern const combobox_str_tag modelreleasestatus[];
+extern const gint             n_modelreleasestatus;
+
+/* Property Release Status Combobox Items
+ * http://ns.useplus.org/LDF/ldf-XMPSpecification#PropertyReleaseStatus
+ */
+extern const combobox_str_tag propertyreleasestatus[];
+extern const gint             n_propertyreleasestatus;
+
+/* Minor Model Age Disclosure Combobox Items
+ * http://ns.useplus.org/LDF/ldf-XMPSpecification#MinorModelAgeDisclosure
+ */
+extern const combobox_str_tag minormodelagedisclosure[];
+extern const gint             n_minormodelagedisclosure;
+
+/* Urgency */
+extern const gchar *urgency[];
+extern const gint   n_urgency;
+
+/* Marked */
+extern const combobox_int_tag marked[];
+extern const gint             n_marked;
+
+/* Phone Types */
+extern const combobox_str_tag phone_types[];
+extern const gint             n_phone_types;
+
+/* DICOM Patient Sex
+ * http://dicomlookup.com/lookup.asp?sw=Ttable&q=C.7-1
+ * http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/XMP.html#DICOM
+ * https://dicomiseasy.blogspot.ca/2011/11/introduction-to-dicom-chapter-iii-dicom.html
+ * http://dicom.nema.org/standard.html
+ */
+extern const combobox_str_tag dicom[];
+extern const gint             n_dicom;
+
+/* GPS Altitude Ref */
+extern const gchar *gpsaltref[];
+extern const gint   n_gpsaltref;
+
+/* GPS Latitude Ref */
+extern const gchar *gpslatref[];
+extern const gint   n_gpslatref;
+
+/* GPS Longitude Ref */
+extern const gchar *gpslngref[];
+extern const gint   n_gpslngref;
+
+/* GPS Measurement System */
+extern const gchar *gpsaltsys[];
+extern const gint   n_gpsaltsys;
+
+extern const TranslateHeaderTag creatorContactInfoHeader;
+
+extern const TranslateTag creatorContactInfoTags[];
+
+extern const TranslateHeaderTag locationCreationInfoHeader;
+
+extern const TranslateTag locationCreationInfoTags[];
+
+extern const TranslateHeaderTag imageSupplierInfoHeader;
+
+extern const TranslateTag imageSupplierInfoTags[];
+
+/* Plus and IPTC extension tags */
+
+#define LICENSOR_HEADER "Xmp.plus.Licensor"
+extern const gchar *licensor[];
+extern const gint   n_licensor;
+extern const gint   licensor_special_handling[];
+
+#ifdef USE_TAGS
+#define IMAGESUPPLIER_HEADER "Xmp.plus.ImageSupplier"
+extern const gchar *imagesupplier[];
+extern const gint   n_imagesupplier;
+#endif
+
+#define IMAGECREATOR_HEADER "Xmp.plus.ImageCreator"
+extern const gchar *imagecreator[];
+extern const gint   n_imagecreator;
+
+#define COPYRIGHTOWNER_HEADER "Xmp.plus.CopyrightOwner"
+extern const gchar *copyrightowner[];
+extern const gint   n_copyrightowner;
+
+#define REGISTRYID_HEADER "Xmp.iptcExt.RegistryId"
+extern const gchar *registryid[];
+extern const gchar *registryid_alternative[];
+extern const gint   n_registryid;
+
+#define ARTWORKOROBJECT_HEADER "Xmp.iptcExt.ArtworkOrObject"
+extern const gchar *artworkorobject[];
+extern const gchar *artworkorobject_alternative[];
+extern const gint   n_artworkorobject;
+
+#define LOCATIONSHOWN_HEADER "Xmp.iptcExt.LocationShown"
+extern const gchar *locationshown[];
+extern const gchar *locationshown_alternative[];
+extern const gint   n_locationshown;
+
+#ifdef USE_TAGS
+#define LOCATIONCREATED_HEADER "Xmp.iptcExt.LocationCreated"
+extern const gchar *locationcreated[];
+extern const gint   n_locationcreated;
+#endif
+
+
+gchar * metadata_format_gps_longitude_latitude (const gdouble  value);
+gchar * metadata_format_gps_altitude           (const gdouble  value,
+                                                gboolean       use_meter,
+                                                gchar         *measurement_symbol);
+
+#endif /* __METADATA_TAGS_H__ */
diff --git a/plug-ins/metadata/metadata-viewer.c b/plug-ins/metadata/metadata-viewer.c
new file mode 100644
index 0000000..59719aa
--- /dev/null
+++ b/plug-ins/metadata/metadata-viewer.c
@@ -0,0 +1,683 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * metadata.c
+ * Copyright (C) 2013 Hartmut Kuhse
+ * Copyright (C) 2016 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+#include <gexiv2/gexiv2.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+#include "metadata-tags.h"
+
+#define PLUG_IN_PROC   "plug-in-metadata-viewer"
+#define PLUG_IN_BINARY "metadata-viewer"
+#define PLUG_IN_ROLE   "gimp-metadata"
+
+#define EXIF_PREFIX "Exif."
+#define IPTC_PREFIX "Iptc."
+#define XMP_PREFIX  "Xmp."
+
+/* The length at which to truncate tag values, in characters. */
+#define TAG_VALUE_MAX_SIZE 1024
+
+/* The length at which to truncate raw data (i.e., tag values
+ * of type "Byte" or "Undefined"), in bytes.
+ */
+#define RAW_DATA_MAX_SIZE 16
+
+
+enum
+{
+  C_XMP_TAG = 0,
+  C_XMP_VALUE,
+  NUM_XMP_COLS
+};
+
+enum
+{
+  C_EXIF_TAG = 0,
+  C_EXIF_VALUE,
+  NUM_EXIF_COLS
+};
+
+enum
+{
+  C_IPTC_TAG = 0,
+  C_IPTC_VALUE,
+  NUM_IPTC_COLS
+};
+
+
+/*  local function prototypes  */
+
+static void       query                            (void);
+static void       run                              (const gchar      *name,
+                                                    gint              nparams,
+                                                    const GimpParam  *param,
+                                                    gint             *nreturn_vals,
+                                                    GimpParam       **return_vals);
+
+static gboolean   metadata_viewer_dialog           (gint32          image_id,
+                                                    GimpMetadata   *g_metadata,
+                                                    GError        **error);
+static void       metadata_dialog_set_metadata     (GExiv2Metadata *metadata,
+                                                    GtkBuilder     *builder);
+static void metadata_dialog_add_multiple_values    (GExiv2Metadata *metadata,
+                                                    const gchar    *tag,
+                                                    GtkListStore   *store,
+                                                    gint            tag_column,
+                                                    gint            value_column);
+static void       metadata_dialog_append_tags      (GExiv2Metadata  *metadata,
+                                                    gchar          **tags,
+                                                    GtkListStore    *store,
+                                                    gint             tag_column,
+                                                    gint             value_column,
+                                                    gboolean         load_iptc);
+static void metadata_dialog_add_tag                (GtkListStore    *store,
+                                                    GtkTreeIter      iter,
+                                                    gint             tag_column,
+                                                    gint             value_column,
+                                                    const gchar     *tag,
+                                                    const gchar     *value);
+static void metadata_dialog_add_translated_tag     (GExiv2Metadata  *metadata,
+                                                    GtkListStore    *store,
+                                                    GtkTreeIter      iter,
+                                                    gint             tag_column,
+                                                    gint             value_column,
+                                                    const gchar     *tag);
+static gchar    * metadata_dialog_format_tag_value (GExiv2Metadata  *metadata,
+                                                    const gchar     *tag,
+                                                    gboolean         truncate);
+
+
+/* local variables */
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+  NULL,  /* init_proc  */
+  NULL,  /* quit_proc  */
+  query, /* query_proc */
+  run,   /* run_proc   */
+};
+
+/*  functions  */
+
+MAIN ()
+
+static void
+query (void)
+{
+  static const GimpParamDef metadata_args[] =
+  {
+    { GIMP_PDB_INT32, "run-mode", "Run mode { RUN-INTERACTIVE (0) }" },
+    { GIMP_PDB_IMAGE, "image",    "Input image"                      }
+  };
+
+  gimp_install_procedure (PLUG_IN_PROC,
+                          N_("View metadata (Exif, IPTC, XMP)"),
+                          "View metadata information attached to the "
+                          "current image.  This can include Exif, IPTC and/or "
+                          "XMP information.",
+                          "Hartmut Kuhse, Michael Natterer, Ben Touchette",
+                          "Hartmut Kuhse, Michael Natterer, Ben Touchette",
+                          "2013, 2017",
+                          N_("_View Metadata"),
+                          "*",
+                          GIMP_PLUGIN,
+                          G_N_ELEMENTS (metadata_args), 0,
+                          metadata_args, NULL);
+
+  gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Image/Metadata");
+}
+
+static void
+run (const gchar      *name,
+     gint              nparams,
+     const GimpParam  *param,
+     gint             *nreturn_vals,
+     GimpParam       **return_vals)
+{
+  static GimpParam   values[2];
+  GimpPDBStatusType  status = GIMP_PDB_SUCCESS;
+  GError            *error  = NULL;
+
+  *nreturn_vals = 1;
+  *return_vals  = values;
+
+  values[0].type          = GIMP_PDB_STATUS;
+  values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
+
+  INIT_I18N();
+  gimp_ui_init (PLUG_IN_BINARY, TRUE);
+
+  if (! strcmp (name, PLUG_IN_PROC))
+    {
+      GimpMetadata *metadata;
+      gint32        image_ID = param[1].data.d_image;
+
+      metadata = gimp_image_get_metadata (image_ID);
+
+      /* Always show metadata dialog so we can add
+         appropriate iptc data as needed. Sometimes
+         license data needs to be added after the
+         fact and the image may not contain metadata
+         but should have it added as needed. */
+
+      if (!metadata)
+        {
+          metadata = gimp_metadata_new();
+          gimp_image_set_metadata (image_ID, metadata);
+        }
+
+      if (metadata_viewer_dialog (image_ID, metadata, &error))
+        status = GIMP_PDB_SUCCESS;
+      else
+        {
+          status = GIMP_PDB_EXECUTION_ERROR;
+          if (error)
+            {
+             *nreturn_vals = 2;
+              values[1].type          = GIMP_PDB_STRING;
+              values[1].data.d_string = error->message;
+            }
+        }
+    }
+  else
+    {
+      status = GIMP_PDB_CALLING_ERROR;
+    }
+
+  values[0].data.d_status = status;
+}
+
+static gboolean
+metadata_viewer_dialog (gint32         image_id,
+                        GimpMetadata  *g_metadata,
+                        GError       **error)
+{
+  GtkBuilder     *builder;
+  GtkWidget      *dialog;
+  GtkWidget      *metadata_vbox;
+  GtkWidget      *content_area;
+  gchar          *ui_file;
+  gchar          *title;
+  gchar          *name;
+  GError         *local_error = NULL;
+  GExiv2Metadata *metadata;
+
+  metadata = GEXIV2_METADATA(g_metadata);
+
+  builder = gtk_builder_new ();
+
+  ui_file = g_build_filename (gimp_data_directory (),
+                              "ui", "plug-ins", "plug-in-metadata-viewer.ui", NULL);
+
+  if (! gtk_builder_add_from_file (builder, ui_file, &local_error))
+    {
+      if (! local_error)
+        local_error = g_error_new_literal (G_FILE_ERROR, 0,
+                                           _("Error loading metadata-viewer dialog."));
+      g_propagate_error (error, local_error);
+
+      g_free (ui_file);
+      g_object_unref (builder);
+      return FALSE;
+    }
+
+  g_free (ui_file);
+
+  name = gimp_image_get_name (image_id);
+  title = g_strdup_printf (_("Metadata Viewer: %s"), name);
+  g_free (name);
+
+  dialog = gimp_dialog_new (title,
+                            "gimp-metadata-viewer-dialog",
+                            NULL, 0,
+                            gimp_standard_help_func, PLUG_IN_PROC,
+                            _("_Close"), GTK_RESPONSE_CLOSE,
+                            NULL);
+
+  gtk_widget_set_size_request(dialog, 650, 500);
+
+  g_free (title);
+
+  gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+                                           GTK_RESPONSE_CLOSE,
+                                           -1);
+
+  content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
+
+  metadata_vbox = GTK_WIDGET (gtk_builder_get_object (builder,
+                                                      "metadata-vbox"));
+  gtk_container_set_border_width (GTK_CONTAINER (metadata_vbox), 12);
+  gtk_box_pack_start (GTK_BOX (content_area), metadata_vbox, TRUE, TRUE, 0);
+
+  metadata_dialog_set_metadata (metadata, builder);
+
+  gtk_dialog_run (GTK_DIALOG (dialog));
+
+  return TRUE;
+}
+
+
+/*  private functions  */
+
+static void
+metadata_dialog_set_metadata (GExiv2Metadata *metadata,
+                              GtkBuilder     *builder)
+{
+  gchar        **tags;
+  GtkListStore  *store;
+
+  /* load exif tags */
+  tags  = gexiv2_metadata_get_exif_tags (metadata);
+  store = GTK_LIST_STORE (gtk_builder_get_object (builder, "exif-liststore"));
+
+  metadata_dialog_append_tags (metadata, tags, store, C_EXIF_TAG, C_EXIF_VALUE, FALSE);
+
+  g_strfreev (tags);
+
+  /* load xmp tags */
+  tags  = gexiv2_metadata_get_xmp_tags (metadata);
+  store = GTK_LIST_STORE (gtk_builder_get_object (builder, "xmp-liststore"));
+
+  metadata_dialog_append_tags (metadata, tags, store, C_XMP_TAG, C_XMP_VALUE, FALSE);
+
+  g_strfreev (tags);
+
+  /* load iptc tags */
+  tags  = gexiv2_metadata_get_iptc_tags (metadata);
+  store = GTK_LIST_STORE (gtk_builder_get_object (builder, "iptc-liststore"));
+
+  metadata_dialog_append_tags (metadata, tags, store, C_IPTC_TAG, C_IPTC_VALUE, TRUE);
+
+  g_strfreev (tags);
+}
+
+static gchar *
+metadata_format_string_value (const gchar *value,
+                              gboolean     truncate)
+{
+  glong  size;
+  gchar *result;
+
+  size = g_utf8_strlen (value, -1);
+
+  if (! truncate || size <= TAG_VALUE_MAX_SIZE)
+    {
+      result = g_strdup(value);
+    }
+  else
+    {
+      gchar   *value_utf8_trunc;
+      GString *str;
+
+      value_utf8_trunc = g_utf8_substring (value, 0, TAG_VALUE_MAX_SIZE);
+      str = g_string_new (value_utf8_trunc);
+
+      g_free (value_utf8_trunc);
+
+      g_string_append (str, "... ");
+      g_string_append_printf (str,
+                              _("(%lu more character(s))"),
+                              size - TAG_VALUE_MAX_SIZE);
+
+      result = g_string_free (str, FALSE);
+    }
+  return result;
+}
+
+static inline gboolean
+metadata_tag_is_string (const gchar *tag)
+{
+  const gchar *tag_type;
+
+  tag_type = gexiv2_metadata_get_tag_type (tag);
+
+  return (g_strcmp0 (tag_type, "Byte")      != 0 &&
+          g_strcmp0 (tag_type, "Undefined") != 0 &&
+          g_strcmp0 (tag_type, NULL)        != 0);
+}
+
+static void
+metadata_dialog_add_tag (GtkListStore    *store,
+                         GtkTreeIter      iter,
+                         gint             tag_column,
+                         gint             value_column,
+                         const gchar     *tag,
+                         const gchar     *value)
+{
+  if (value)
+    {
+      gtk_list_store_append (store, &iter);
+      gtk_list_store_set (store, &iter,
+                          tag_column,   tag,
+                          value_column, value,
+                          -1);
+    }
+}
+
+static void
+metadata_dialog_add_translated_tag (GExiv2Metadata  *metadata,
+                                    GtkListStore    *store,
+                                    GtkTreeIter      iter,
+                                    gint             tag_column,
+                                    gint             value_column,
+                                    const gchar     *tag)
+{
+  gchar *value;
+
+  value = gexiv2_metadata_get_tag_interpreted_string (metadata, tag);
+  metadata_dialog_add_tag (store, iter, tag_column, value_column,
+                           tag, gettext (value));
+  g_free (value);
+}
+
+static gchar *
+metadata_interpret_user_comment (gchar *comment)
+{
+  /* Exiv2 can return unwanted text at the start of a comment
+   * taken from Exif.Photo.UserComment since 0.27.3.
+   * Let's remove that part and replace with an empty string
+   * if there is nothing else left as comment. */
+
+  if (comment && g_str_has_prefix (comment, "charset=Ascii "))
+    {
+      gchar *real_comment;
+
+      /* Skip "charset=Ascii " (length 14) to find the real comment */
+      real_comment = comment + 14;
+      if (real_comment[0] == '\0' ||
+          ! g_strcmp0 (real_comment, "binary comment"))
+        {
+          g_free (comment);
+          /* Make empty comment instead of returning NULL or else
+           * the exif value will not be shown at all. */
+          comment = g_strdup ("");
+        }
+      else
+        {
+          real_comment = g_strdup (real_comment);
+          g_free (comment);
+          return real_comment;
+        }
+    }
+
+  return comment;
+}
+
+static void
+metadata_dialog_add_multiple_values (GExiv2Metadata  *metadata,
+                                     const gchar     *tag,
+                                     GtkListStore    *store,
+                                     gint             tag_column,
+                                     gint             value_column)
+{
+  gchar **values;
+
+  values = gexiv2_metadata_get_tag_multiple (GEXIV2_METADATA (metadata), tag);
+
+  if (values)
+    {
+      gint i;
+
+      for (i = 0; values[i] != NULL; i++)
+        {
+          gchar       *value;
+          GtkTreeIter  iter;
+
+          gtk_list_store_append (store, &iter);
+
+          value = metadata_format_string_value (values[i], /* truncate = */ TRUE);
+
+          gtk_list_store_set (store, &iter,
+                              tag_column,   tag,
+                              value_column, value,
+                              -1);
+
+          g_free (value);
+        }
+
+      g_strfreev (values);
+    }
+}
+
+static void
+metadata_dialog_append_tags (GExiv2Metadata  *metadata,
+                             gchar          **tags,
+                             GtkListStore    *store,
+                             gint             tag_column,
+                             gint             value_column,
+                             gboolean         load_iptc)
+{
+  GtkTreeIter  iter;
+  const gchar *tag;
+  const gchar *last_tag = NULL;
+  gboolean     gps_done = FALSE;
+
+  while ((tag = *tags++))
+    {
+      gchar  *value;
+      gchar **values;
+
+      /* We need special handling for iptc tags like "Keywords" which
+       * can appear multiple times. For now assuming that this can
+       * only happen for iptc tags of String and related types.
+       * See also: https://exiv2.org/iptc.html which only lists
+       * one Date type as repeatable (Iptc.Application2.ReferenceDate),
+       * and Date is handled here as string.
+       */
+      if (load_iptc && metadata_tag_is_string (tag))
+        {
+          if (last_tag && ! strcmp (tag, last_tag))
+            {
+              continue;
+            }
+          last_tag = tag;
+
+          metadata_dialog_add_multiple_values (GEXIV2_METADATA (metadata),
+                                               tag, store,
+                                               tag_column,
+                                               value_column);
+        }
+      else if (! strcmp ("Exif.GPSInfo.GPSLongitude",    tag) ||
+               ! strcmp ("Exif.GPSInfo.GPSLongitudeRef", tag) ||
+               ! strcmp ("Exif.GPSInfo.GPSLatitude",     tag) ||
+               ! strcmp ("Exif.GPSInfo.GPSLatitudeRef",  tag) ||
+               ! strcmp ("Exif.GPSInfo.GPSAltitude",     tag) ||
+               ! strcmp ("Exif.GPSInfo.GPSAltitudeRef",  tag))
+        {
+          /* We need special handling for some of the GPS tags to
+           * be able to show better values than the default. */
+          if (! gps_done)
+            {
+              gdouble  lng, lat, alt;
+              gchar   *str;
+              gchar  *value;
+
+              if (gexiv2_metadata_get_gps_longitude (GEXIV2_METADATA (metadata),
+                                                     &lng))
+                {
+                  str = metadata_format_gps_longitude_latitude (lng);
+                  metadata_dialog_add_tag (store, iter,
+                                           tag_column, value_column,
+                                           "Exif.GPSInfo.GPSLongitude",
+                                           str);
+                  g_free (str);
+                }
+              metadata_dialog_add_translated_tag (metadata, store, iter,
+                                                  tag_column, value_column,
+                                                  "Exif.GPSInfo.GPSLongitudeRef");
+
+              if (gexiv2_metadata_get_gps_latitude (GEXIV2_METADATA (metadata),
+                                                    &lat))
+                {
+                  str = metadata_format_gps_longitude_latitude (lat);
+                  metadata_dialog_add_tag (store, iter,
+                                           tag_column, value_column,
+                                           "Exif.GPSInfo.GPSLatitude",
+                                           str);
+                  g_free (str);
+                }
+              metadata_dialog_add_translated_tag (metadata, store, iter,
+                                                  tag_column, value_column,
+                                                  "Exif.GPSInfo.GPSLatitudeRef");
+
+              if (gexiv2_metadata_get_gps_altitude (GEXIV2_METADATA (metadata),
+                                                    &alt))
+                {
+                  gchar *str2, *str3;
+
+                  str  = metadata_format_gps_altitude (alt, TRUE,  _(" meter"));
+                  str2 = metadata_format_gps_altitude (alt, FALSE, _(" feet"));
+                  str3 = g_strdup_printf ("%s (%s)", str, str2);
+                  metadata_dialog_add_tag (store, iter,
+                                           tag_column, value_column,
+                                           "Exif.GPSInfo.GPSAltitude",
+                                           str3);
+                  g_free (str);
+                  g_free (str2);
+                  g_free (str3);
+                  value = gexiv2_metadata_get_tag_string (metadata,
+                                                          "Exif.GPSInfo.GPSAltitudeRef");
+
+                  if (value)
+                    {
+                      gint index;
+
+                      if (value[0] == '0')
+                        index = 1;
+                      else if (value[0] == '1')
+                        index = 2;
+                      else
+                        index = 0;
+                      metadata_dialog_add_tag (store, iter,
+                                              tag_column, value_column,
+                                              "Exif.GPSInfo.GPSAltitudeRef",
+                                              gettext (gpsaltref[index]));
+                      g_free (value);
+                    }
+                }
+              gps_done = TRUE;
+            }
+        }
+      else if (! strcmp ("Exif.Photo.UserComment", tag))
+        {
+          value = gexiv2_metadata_get_tag_interpreted_string (metadata, tag);
+          /* Can start with charset. Remove part that is not relevant. */
+          value = metadata_interpret_user_comment (value);
+
+          metadata_dialog_add_tag (store, iter,
+                                   tag_column, value_column,
+                                   tag, value);
+          g_free (value);
+        }
+      else
+        {
+          if (g_str_has_prefix (tag, "Xmp.") &&
+              g_strcmp0 (gexiv2_metadata_get_tag_type (tag), "XmpText") != 0)
+            {
+              metadata_dialog_add_multiple_values (GEXIV2_METADATA (metadata),
+                                                   tag, store,
+                                                   tag_column,
+                                                   value_column);
+            }
+          else
+            {
+              value = metadata_dialog_format_tag_value (metadata, tag,
+                                                        /* truncate = */ TRUE);
+              metadata_dialog_add_tag (store, iter,
+                                       tag_column, value_column,
+                                       tag, value);
+              g_free (value);
+            }
+        }
+    }
+}
+
+static gchar *
+metadata_dialog_format_tag_value (GExiv2Metadata *metadata,
+                                  const gchar    *tag,
+                                  gboolean        truncate)
+{
+  gchar       *result;
+
+  if (metadata_tag_is_string(tag))
+    {
+      gchar *value;
+      gchar *value_utf8;
+
+      value      = gexiv2_metadata_get_tag_interpreted_string (metadata, tag);
+      if (! g_utf8_validate (value, -1, NULL))
+        {
+          value_utf8 = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
+        }
+      else
+        {
+          value_utf8 = g_strdup (value);
+        }
+
+      g_free (value);
+
+      result = metadata_format_string_value (value_utf8, truncate);
+    }
+  else
+    {
+      GBytes       *bytes;
+      const guchar *data;
+      gsize         size;
+      gsize         display_size;
+      GString      *str;
+      gint          i;
+
+      bytes = gexiv2_metadata_get_tag_raw (metadata, tag);
+      data  = g_bytes_get_data (bytes, &size);
+
+      if (! truncate)
+        display_size = size;
+      else
+        display_size = MIN (size, RAW_DATA_MAX_SIZE);
+
+      str = g_string_sized_new (3 * display_size);
+
+      for (i = 0; i < display_size; i++)
+        g_string_append_printf (str, i == 0 ? "%02x" : " %02x", data[i]);
+
+      if (display_size < size)
+        {
+          g_string_append (str, " ... ");
+          g_string_append_printf (str,
+                                  _("(%llu more byte(s))"),
+                                  (unsigned long long) (size - display_size));
+        }
+
+      result = g_string_free (str, FALSE);
+
+      g_bytes_unref (bytes);
+    }
+
+  return result;
+}
diff --git a/plug-ins/metadata/metadata-xml.c b/plug-ins/metadata/metadata-xml.c
new file mode 100644
index 0000000..62c70b4
--- /dev/null
+++ b/plug-ins/metadata/metadata-xml.c
@@ -0,0 +1,1147 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * metadata-editor.c
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gexiv2/gexiv2.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+#include "metadata-misc.h"
+#include "metadata-xml.h"
+#include "metadata-tags.h"
+
+extern gboolean gimpmetadata;
+extern gboolean force_write;
+
+gboolean xmptag;
+gboolean iptctag;
+gboolean tagvalue;
+gboolean taglistvalue;
+gboolean tagname;
+gboolean tagmode;
+gboolean listelement;
+gboolean element;
+gchar *str_tag_value;
+gchar *str_tag_name;
+gchar *str_tag_mode;
+gchar *str_element;
+gchar *list_tag_data[256][256];
+gint row_count = 0;
+gint item_count = 0;
+
+
+static void get_list_elements                        (GString   *xmldata,
+                                                      int        element_count,
+                                                      gchar    **rowtagdata);
+
+
+void
+xml_parser_start_element (GMarkupParseContext  *context,
+                          const gchar          *element_name,
+                          const gchar         **attribute_names,
+                          const gchar         **attribute_values,
+                          gpointer              user_data,
+                          GError              **error)
+{
+  if (strcmp (element_name, "gimp-metadata") == 0)
+    {
+      gimpmetadata = TRUE;
+    }
+  else if (strcmp (element_name, "iptc-tag") == 0)
+    {
+      item_count = 0;
+      row_count = 0;
+      iptctag = TRUE;
+    }
+  else if (strcmp (element_name, "xmp-tag") == 0)
+    {
+      item_count = 0;
+      row_count = 0;
+      xmptag = TRUE;
+    }
+  else if (strcmp (element_name, "tag-value") == 0)
+    {
+      tagvalue = TRUE;
+    }
+  else if (strcmp (element_name, "tag-list-value") == 0)
+    {
+      taglistvalue = TRUE;
+    }
+  else if (strcmp (element_name, "tag-name") == 0)
+    {
+      tagname = TRUE;
+    }
+  else if (strcmp (element_name, "tag-mode") == 0)
+    {
+      tagmode = TRUE;
+    }
+  else if (strcmp (element_name, "list-element") == 0)
+    {
+      listelement = TRUE;
+      row_count += 1;
+    }
+  else if (strcmp (element_name, "element") == 0)
+    {
+      element = TRUE;
+      item_count += 1;
+    }
+}
+
+void
+xml_parser_data (GMarkupParseContext *context,
+                 const gchar         *text,
+                 gsize                text_len,
+                 gpointer             user_data,
+                 GError             **error)
+{
+  if (tagvalue)
+    {
+      if (str_tag_value)
+        g_free(str_tag_value);
+
+      if (text)
+        str_tag_value = g_strdup(text);
+      else
+        str_tag_value = g_strconcat("", NULL);
+    }
+  else if (tagname)
+    {
+      if (str_tag_name)
+        g_free(str_tag_name);
+
+      if (text)
+        str_tag_name = g_strdup(text);
+      else
+        str_tag_name = g_strconcat("", NULL);
+    }
+  else if (tagmode)
+    {
+      if (str_tag_mode)
+        g_free(str_tag_mode);
+
+      if (text)
+        str_tag_mode = g_strdup(text);
+      else
+        str_tag_mode = g_strconcat("", NULL);
+    }
+  else if (element)
+    {
+      if (str_element)
+        g_free(str_element);
+
+      if (text)
+        str_element = g_strdup(text);
+      else
+        str_element = g_strconcat("", NULL);
+    }
+}
+
+void
+set_tag_ui (metadata_editor *args,
+            gint             index,
+            gchar           *name,
+            gchar           *value,
+            gchar*           mode)
+{
+  GtkWidget *widget;
+
+  widget = GTK_WIDGET (gtk_builder_get_object (args->builder, str_tag_name));
+
+  if (!strcmp ("single", mode))
+    {
+      GtkEntry *entry_widget;
+      gchar    *value_utf;
+
+      value_utf = g_locale_to_utf8 (str_tag_value, -1, NULL, NULL, NULL);
+      entry_widget = GTK_ENTRY (widget);
+      gtk_entry_set_text (entry_widget, value_utf);
+      g_free (value_utf);
+    }
+  else if (!strcmp ("multi", mode))
+    {
+      GtkTextView   *text_view;
+      GtkTextBuffer *buffer;
+      gchar         *value_utf;
+
+      value_utf = g_locale_to_utf8 (str_tag_value, -1, NULL, NULL, NULL);
+      text_view = GTK_TEXT_VIEW (widget);
+      buffer = gtk_text_view_get_buffer (text_view);
+      gtk_text_buffer_set_text (buffer, value_utf, -1);
+      g_free (value_utf);
+    }
+  else if (!strcmp ("combo", mode))
+    {
+      gint32  value;
+      gchar  *value_utf;
+
+      value_utf = g_locale_to_utf8 (str_tag_value, -1, NULL, NULL, NULL);
+      value = atoi(value_utf);
+      gtk_combo_box_set_active (GTK_COMBO_BOX(widget), value);
+      g_free (value_utf);
+    }
+  else if (!strcmp ("list", mode))
+    {
+      GtkTreeModel  *treemodel;
+      GtkListStore  *liststore;
+      GtkTreeIter    iter;
+      gint           number_of_rows;
+      gint           row;
+      gint           item;
+
+      liststore = GTK_LIST_STORE(gtk_tree_view_get_model((GtkTreeView *)widget));
+      treemodel = GTK_TREE_MODEL (liststore);
+      number_of_rows =
+        gtk_tree_model_iter_n_children(GTK_TREE_MODEL(liststore), NULL);
+
+      /* Clear all current values */
+      for (row = number_of_rows; row > -1; row--)
+        {
+          if (gtk_tree_model_iter_nth_child(treemodel, &iter, NULL, row))
+            {
+              gtk_list_store_remove(liststore, &iter);
+            }
+        }
+      /* Add new values values */
+      if (!strcmp (LICENSOR_HEADER, name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_LICENSOR_NAME, list_tag_data[row][1],
+                                  COL_LICENSOR_ID, list_tag_data[row][2],
+                                  COL_LICENSOR_PHONE1, list_tag_data[row][3],
+                                  COL_LICENSOR_PHONE_TYPE1, list_tag_data[row][4],
+                                  COL_LICENSOR_PHONE2, list_tag_data[row][5],
+                                  COL_LICENSOR_PHONE_TYPE2, list_tag_data[row][6],
+                                  COL_LICENSOR_EMAIL, list_tag_data[row][7],
+                                  COL_LICENSOR_WEB, list_tag_data[row][8],
+                                  -1);
+              for (item = 1; item < n_licensor + 1; item++)
+                {
+                  if (list_tag_data[row][item])
+                    {
+                      if (list_tag_data[row][item])
+                        g_free(list_tag_data[row][item]);
+                    }
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_LICENSOR_NAME, NULL,
+                                      COL_LICENSOR_ID, NULL,
+                                      COL_LICENSOR_PHONE1, NULL,
+                                      COL_LICENSOR_PHONE_TYPE1, NULL,
+                                      COL_LICENSOR_PHONE2, NULL,
+                                      COL_LICENSOR_PHONE_TYPE2, NULL,
+                                      COL_LICENSOR_EMAIL, NULL,
+                                      COL_LICENSOR_WEB, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp (IMAGECREATOR_HEADER, name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_IMG_CR8_NAME, list_tag_data[row][1],
+                                  COL_IMG_CR8_ID, list_tag_data[row][2],
+                                  -1);
+              for (item = 1; item < n_imagecreator + 1; item++)
+                {
+                  if (list_tag_data[row][item])
+                    {
+                      if (list_tag_data[row][item])
+                        g_free(list_tag_data[row][item]);
+                    }
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_IMG_CR8_NAME, NULL,
+                                      COL_IMG_CR8_ID, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp (ARTWORKOROBJECT_HEADER, name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_AOO_TITLE, list_tag_data[row][1],
+                                  COL_AOO_DATE_CREAT, list_tag_data[row][2],
+                                  COL_AOO_CREATOR, list_tag_data[row][3],
+                                  COL_AOO_SOURCE, list_tag_data[row][4],
+                                  COL_AOO_SRC_INV_ID, list_tag_data[row][5],
+                                  COL_AOO_CR_NOT, list_tag_data[row][6],
+                                  -1);
+              for (item = 1; item < n_artworkorobject + 1; item++)
+                {
+                  if (list_tag_data[row][item])
+                    {
+                      if (list_tag_data[row][item])
+                        g_free(list_tag_data[row][item]);
+                    }
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_AOO_TITLE, NULL,
+                                      COL_AOO_DATE_CREAT, NULL,
+                                      COL_AOO_CREATOR, NULL,
+                                      COL_AOO_SOURCE, NULL,
+                                      COL_AOO_SRC_INV_ID, NULL,
+                                      COL_AOO_CR_NOT, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp (REGISTRYID_HEADER, name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_REGISTRY_ORG_ID, list_tag_data[row][1],
+                                  COL_REGISTRY_ITEM_ID, list_tag_data[row][2],
+                                  -1);
+              for (item = 1; item < n_registryid + 1; item++)
+                {
+                  if (list_tag_data[row][item])
+                    {
+                      if (list_tag_data[row][item])
+                        g_free(list_tag_data[row][item]);
+                    }
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_REGISTRY_ORG_ID, NULL,
+                                      COL_REGISTRY_ITEM_ID, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp (COPYRIGHTOWNER_HEADER, name))
+        {
+          if (row_count > 0)
+            {
+              for (row = 1; row < row_count+1; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_CR_OWNER_NAME, list_tag_data[row][1],
+                                      COL_CR_OWNER_ID, list_tag_data[row][2],
+                                      -1);
+                  for (item = 1; item < n_copyrightowner + 1; item++)
+                    {
+                      if (list_tag_data[row][item])
+                        {
+                          if (list_tag_data[row][item])
+                            g_free(list_tag_data[row][item]);
+                        }
+                    }
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_CR_OWNER_NAME, NULL,
+                                      COL_CR_OWNER_ID, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp (LOCATIONSHOWN_HEADER, name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_LOC_SHO_SUB_LOC, list_tag_data[row][1],
+                                  COL_LOC_SHO_CITY, list_tag_data[row][2],
+                                  COL_LOC_SHO_STATE_PROV, list_tag_data[row][3],
+                                  COL_LOC_SHO_CNTRY, list_tag_data[row][4],
+                                  COL_LOC_SHO_CNTRY_ISO, list_tag_data[row][5],
+                                  COL_LOC_SHO_CNTRY_WRLD_REG, list_tag_data[row][6],
+                                  -1);
+              for (item = 1; item < n_locationshown + 1; item++)
+                {
+                  if (list_tag_data[row][item])
+                    {
+                      if (list_tag_data[row][item])
+                        g_free(list_tag_data[row][item]);
+                    }
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_LOC_SHO_SUB_LOC, NULL,
+                                      COL_LOC_SHO_CITY, NULL,
+                                      COL_LOC_SHO_STATE_PROV, NULL,
+                                      COL_LOC_SHO_CNTRY, NULL,
+                                      COL_LOC_SHO_CNTRY_ISO, NULL,
+                                      COL_LOC_SHO_CNTRY_WRLD_REG, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp ("Xmp.iptcExt.OrganisationInImageName", name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_ORG_IMG_NAME, list_tag_data[row][1],
+                                  -1);
+              if (list_tag_data[row][1])
+                {
+                   if (list_tag_data[row][1])
+                     g_free(list_tag_data[row][1]);
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_ORG_IMG_NAME, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp ("Xmp.iptcExt.OrganisationInImageCode", name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_ORG_IMG_CODE, list_tag_data[row][1],
+                                  -1);
+              if (list_tag_data[row][1])
+                {
+                   if (list_tag_data[row][1])
+                     g_free(list_tag_data[row][1]);
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_ORG_IMG_CODE, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp ("Xmp.plus.PropertyReleaseID", name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_PROP_REL_ID, list_tag_data[row][1],
+                                  -1);
+              if (list_tag_data[row][1])
+                {
+                   if (list_tag_data[row][1])
+                     g_free(list_tag_data[row][1]);
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_PROP_REL_ID, NULL,
+                                      -1);
+                }
+            }
+        }
+      else if (!strcmp ("Xmp.plus.ModelReleaseID", name))
+        {
+          for (row = 1; row < row_count+1; row++)
+            {
+              gtk_list_store_append (liststore, &iter);
+              gtk_list_store_set (liststore, &iter,
+                                  COL_MOD_REL_ID, list_tag_data[row][1],
+                                  -1);
+              if (list_tag_data[row][1])
+                {
+                   if (list_tag_data[row][1])
+                     g_free(list_tag_data[row][1]);
+                }
+            }
+
+          if (row_count < 2)
+            {
+              for (row = 0; row < 2 - row_count; row++)
+                {
+                  gtk_list_store_append (liststore, &iter);
+                  gtk_list_store_set (liststore, &iter,
+                                      COL_MOD_REL_ID, NULL,
+                                      -1);
+                }
+            }
+        }
+    }
+}
+
+const gchar *
+get_tag_ui_text (metadata_editor *args,
+                 gchar           *name,
+                 gchar           *mode)
+{
+  GObject *object;
+
+  object = gtk_builder_get_object (args->builder, name);
+
+  if (! strcmp ("single", mode))
+    {
+      GtkEntry *entry = GTK_ENTRY (object);
+      return gtk_entry_get_text (entry);
+    }
+  else if (!strcmp ("multi", mode))
+    {
+      GtkTextView   *text_view = GTK_TEXT_VIEW (object);
+      GtkTextBuffer *buffer;
+      GtkTextIter    start;
+      GtkTextIter    end;
+
+      buffer = gtk_text_view_get_buffer (text_view);
+      gtk_text_buffer_get_start_iter (buffer, &start);
+      gtk_text_buffer_get_end_iter (buffer, &end);
+
+      return gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
+    }
+
+  return NULL;
+}
+
+static void
+get_list_elements (GString *xmldata, int element_count, gchar **rowtagdata)
+{
+  gint list_idx;
+
+  g_string_append (xmldata, "\t\t\t<list-element>\n");
+
+  for (list_idx = 0; list_idx < element_count; list_idx++)
+    {
+      g_string_append (xmldata, "\t\t\t\t<element>");
+
+      if (rowtagdata && rowtagdata[list_idx] && strlen(rowtagdata[list_idx]) > 0)
+        {
+          g_string_append (xmldata, rowtagdata[list_idx]);
+        }
+
+      g_string_append (xmldata, "</element>\n");
+    }
+  g_string_append (xmldata, "\t\t\t</list-element>\n");
+}
+
+gchar *
+get_tag_ui_list (metadata_editor *args, gchar *name, gchar *mode)
+{
+  GObject       *object;
+  GtkWidget     *widget;
+  GtkTreeModel  *treemodel;
+  GtkListStore  *liststore;
+  GtkTreeIter    iter;
+  GString       *xmldata;
+  gint           number_of_rows;
+  gint           row;
+  gint           has_data;
+  gchar         *tagdata[256][256];
+
+  has_data = FALSE;
+  xmldata = g_string_new ("");
+
+  object = gtk_builder_get_object (args->builder, name);
+  widget = GTK_WIDGET(object);
+
+  liststore = GTK_LIST_STORE(gtk_tree_view_get_model((GtkTreeView *)widget));
+  treemodel = GTK_TREE_MODEL (liststore);
+  number_of_rows =
+    gtk_tree_model_iter_n_children(GTK_TREE_MODEL(liststore), NULL);
+
+  for (row = 0; row < number_of_rows; row++)
+    {
+      if (gtk_tree_model_iter_nth_child(treemodel, &iter, NULL, row))
+        {
+          if (!strcmp (LICENSOR_HEADER, name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_LICENSOR_NAME, &tagdata[row][0],
+                                  COL_LICENSOR_ID, &tagdata[row][1],
+                                  COL_LICENSOR_PHONE1, &tagdata[row][2],
+                                  COL_LICENSOR_PHONE_TYPE1, &tagdata[row][3],
+                                  COL_LICENSOR_PHONE2, &tagdata[row][4],
+                                  COL_LICENSOR_PHONE_TYPE2, &tagdata[row][5],
+                                  COL_LICENSOR_EMAIL, &tagdata[row][6],
+                                  COL_LICENSOR_WEB, &tagdata[row][7],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0) ||
+                  (tagdata[row][1] != NULL && strlen(tagdata[row][1]) > 0) ||
+                  (tagdata[row][2] != NULL && strlen(tagdata[row][2]) > 0) ||
+                  (tagdata[row][3] != NULL && strlen(tagdata[row][3]) > 0) ||
+                  (tagdata[row][4] != NULL && strlen(tagdata[row][4]) > 0) ||
+                  (tagdata[row][5] != NULL && strlen(tagdata[row][5]) > 0) ||
+                  (tagdata[row][6] != NULL && strlen(tagdata[row][6]) > 0) ||
+                  (tagdata[row][7] != NULL && strlen(tagdata[row][7]) > 0))
+                {
+
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 8, tagdata[row]);
+                }
+            }
+          else if (!strcmp (COPYRIGHTOWNER_HEADER, name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_CR_OWNER_NAME, &tagdata[row][0],
+                                  COL_CR_OWNER_ID, &tagdata[row][1],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0) ||
+                  (tagdata[row][1] != NULL && strlen(tagdata[row][1]) > 0))
+                {
+                  has_data = TRUE;
+
+                  g_string_append (xmldata, "\t\t\t<list-element>\n");
+                  g_string_append (xmldata, "\t\t\t\t<element>");
+                  g_string_append (xmldata, tagdata[row][0]);
+                  g_string_append (xmldata, "</element>\n");
+                  g_string_append (xmldata, "\t\t\t\t<element>");
+                  g_string_append (xmldata, tagdata[row][1]);
+                  g_string_append (xmldata, "</element>\n");
+                  g_string_append (xmldata, "\t\t\t</list-element>\n");
+                }
+            }
+          else if (!strcmp (IMAGECREATOR_HEADER, name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_IMG_CR8_NAME, &tagdata[row][0],
+                                  COL_IMG_CR8_ID, &tagdata[row][1],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0) ||
+                  (tagdata[row][1] != NULL && strlen(tagdata[row][1]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 2, tagdata[row]);
+                }
+            }
+          else if (!strcmp (ARTWORKOROBJECT_HEADER, name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_AOO_TITLE, &tagdata[row][0],
+                                  COL_AOO_DATE_CREAT, &tagdata[row][1],
+                                  COL_AOO_CREATOR, &tagdata[row][2],
+                                  COL_AOO_SOURCE, &tagdata[row][3],
+                                  COL_AOO_SRC_INV_ID, &tagdata[row][4],
+                                  COL_AOO_CR_NOT, &tagdata[row][5],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0) ||
+                  (tagdata[row][1] != NULL && strlen(tagdata[row][1]) > 0) ||
+                  (tagdata[row][2] != NULL && strlen(tagdata[row][2]) > 0) ||
+                  (tagdata[row][3] != NULL && strlen(tagdata[row][3]) > 0) ||
+                  (tagdata[row][4] != NULL && strlen(tagdata[row][4]) > 0) ||
+                  (tagdata[row][5] != NULL && strlen(tagdata[row][5]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 6, tagdata[row]);
+                }
+            }
+          else if (!strcmp (REGISTRYID_HEADER, name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_REGISTRY_ORG_ID, &tagdata[row][0],
+                                  COL_REGISTRY_ITEM_ID, &tagdata[row][1],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0) ||
+                  (tagdata[row][1] != NULL && strlen(tagdata[row][1]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 2, tagdata[row]);
+                }
+            }
+          else if (!strcmp (LOCATIONSHOWN_HEADER, name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_LOC_SHO_SUB_LOC, &tagdata[row][0],
+                                  COL_LOC_SHO_CITY, &tagdata[row][1],
+                                  COL_LOC_SHO_STATE_PROV, &tagdata[row][2],
+                                  COL_LOC_SHO_CNTRY, &tagdata[row][3],
+                                  COL_LOC_SHO_CNTRY_ISO, &tagdata[row][4],
+                                  COL_LOC_SHO_CNTRY_WRLD_REG, &tagdata[row][5],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0) ||
+                  (tagdata[row][1] != NULL && strlen(tagdata[row][1]) > 0) ||
+                  (tagdata[row][2] != NULL && strlen(tagdata[row][2]) > 0) ||
+                  (tagdata[row][3] != NULL && strlen(tagdata[row][3]) > 0) ||
+                  (tagdata[row][4] != NULL && strlen(tagdata[row][4]) > 0) ||
+                  (tagdata[row][5] != NULL && strlen(tagdata[row][5]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 6, tagdata[row]);
+                }
+            }
+          else if (!strcmp ("Xmp.iptcExt.OrganisationInImageName", name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_ORG_IMG_NAME, &tagdata[row][0],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 1, tagdata[row]);
+                }
+            }
+          else if (!strcmp ("Xmp.iptcExt.OrganisationInImageCode", name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_ORG_IMG_CODE, &tagdata[row][0],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 1, tagdata[row]);
+                }
+            }
+          else if (!strcmp ("Xmp.plus.PropertyReleaseID", name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_PROP_REL_ID, &tagdata[row][0],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 1, tagdata[row]);
+                }
+            }
+          else if (!strcmp ("Xmp.plus.ModelReleaseID", name))
+            {
+              gtk_tree_model_get (treemodel, &iter,
+                                  COL_MOD_REL_ID, &tagdata[row][0],
+                                  -1);
+
+              if ((tagdata[row][0] != NULL && strlen(tagdata[row][0]) > 0))
+                {
+                  has_data = TRUE;
+
+                  get_list_elements (xmldata, 1, tagdata[row]);
+                }
+            }
+        }
+    }
+
+  if (has_data == TRUE)
+    {
+      gchar *xml;
+
+      xml = g_strdup (xmldata->str);
+      g_string_free(xmldata, TRUE);
+      return xml;
+    }
+
+  g_string_free(xmldata, TRUE);
+
+  return NULL;
+}
+
+gint
+get_tag_ui_combo (metadata_editor *args, gchar *name, gchar *mode)
+{
+  GObject *object;
+  GtkComboBoxText *combo;
+  gint value;
+
+  object = gtk_builder_get_object (args->builder, name);
+
+  combo = GTK_COMBO_BOX_TEXT (object);
+  value = gtk_combo_box_get_active (GTK_COMBO_BOX(combo));
+
+  return value;
+}
+
+void
+xml_parser_end_element (GMarkupParseContext  *context,
+                        const gchar          *element_name,
+                        gpointer              user_data,
+                        GError              **error)
+{
+  metadata_editor *args;
+  int i;
+
+  args = user_data;
+
+  if (strcmp (element_name, "gimp-metadata") == 0)
+    {
+      gimpmetadata = FALSE;
+    }
+  else if (strcmp (element_name, "iptc-tag") == 0)
+    {
+      iptctag = FALSE;
+#ifdef _ENABLE_IPTC_TAG_
+      if (str_tag_name && str_tag_value)
+        {
+          /* make sure to only allow supported tags */
+          for (i = 0; i < n_equivalent_metadata_tags; i++)
+            {
+              if (strcmp(equivalent_metadata_tags[i].tag, str_tag_name) == 0)
+                {
+#ifdef _SET_IPTC_TAG_
+                  set_tag_ui (args, i, str_tag_name, str_tag_value,
+                              equivalent_metadata_tags[i].mode);
+#endif
+                  if (force_write == TRUE)
+                    gexiv2_metadata_set_tag_string (args->metadata,
+                                                    str_tag_name,
+                                                    str_tag_value);
+                  break;
+                }
+            }
+        }
+#endif
+    }
+  else if (strcmp (element_name, "xmp-tag") == 0)
+    {
+      xmptag = FALSE;
+      if (strcmp (str_tag_mode, "list") != 0)
+        {
+          if (str_tag_name && str_tag_value)
+            {
+              /* make sure to only allow supported tags */
+              for (i = 0; i < n_default_metadata_tags; i++)
+                {
+                  if (strcmp(default_metadata_tags[i].tag, str_tag_name) == 0)
+                    {
+                      set_tag_ui (args, i, str_tag_name, str_tag_value,
+                                  default_metadata_tags[i].mode);
+#ifdef _ENABLE_FORCE_WRITE_
+                      if (force_write == TRUE)
+                        gexiv2_metadata_set_tag_string (args->metadata,
+                                                        str_tag_name,
+                                                        str_tag_value);
+#endif
+                      break;
+                    }
+                }
+            }
+
+        }
+      else if (strcmp (str_tag_mode, "list") == 0)
+        {
+          if (row_count > 0)
+            {
+              /* make sure to only allow supported tags */
+              for (i = 0; i < n_default_metadata_tags; i++)
+                {
+                  if (strcmp(default_metadata_tags[i].tag, str_tag_name) == 0)
+                    {
+                      set_tag_ui (args, i, str_tag_name, str_tag_value,
+                                       default_metadata_tags[i].mode);
+#ifdef _ENABLE_FORCE_WRITE_
+                      if (force_write == TRUE)
+                        gexiv2_metadata_set_tag_string (args->metadata,
+                                                        str_tag_name,
+                                                        str_tag_value);
+#endif
+                      break;
+                    }
+                }
+            }
+          row_count = 0;
+          item_count = 0;
+        }
+    }
+  else if (strcmp (element_name, "tag-value") == 0)
+    {
+      tagvalue = FALSE;
+    }
+  else if (strcmp (element_name, "tag-list-value") == 0)
+    {
+      taglistvalue = FALSE;
+    }
+  else if (strcmp (element_name, "tag-name") == 0)
+    {
+      tagname = FALSE;
+    }
+  else if (strcmp (element_name, "tag-mode") == 0)
+    {
+      tagmode = FALSE;
+    }
+  else if (strcmp (element_name, "list-element") == 0)
+    {
+      listelement = FALSE;
+      item_count = 0;
+    }
+  else if (strcmp (element_name, "element") == 0)
+    {
+      element = FALSE;
+      list_tag_data[row_count][item_count] = g_strdup(str_element);
+    }
+}
+
+gboolean
+xml_parser_parse_file (GimpXmlParser  *parser,
+                       const gchar    *filename,
+                       GError        **error)
+{
+  GIOChannel *io;
+  gboolean    success;
+
+  g_return_val_if_fail (parser != NULL, FALSE);
+  g_return_val_if_fail (filename != NULL, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  io = g_io_channel_new_file (filename, "r", error);
+  if (!io)
+    return FALSE;
+
+  success = xml_parser_parse_io_channel (parser, io, error);
+
+  g_io_channel_unref (io);
+
+  return success;
+}
+
+GimpXmlParser *
+xml_parser_new (const GMarkupParser *markup_parser,
+                gpointer             user_data)
+{
+  GimpXmlParser *parser;
+
+  g_return_val_if_fail (markup_parser != NULL, NULL);
+
+  parser = g_slice_new (GimpXmlParser);
+
+  parser->context = g_markup_parse_context_new (markup_parser,
+                    0, user_data, NULL);
+
+  return parser;
+}
+
+void
+xml_parser_free (GimpXmlParser *parser)
+{
+  g_return_if_fail (parser != NULL);
+
+  g_markup_parse_context_free (parser->context);
+  g_slice_free (GimpXmlParser, parser);
+}
+
+gboolean
+parse_encoding (const gchar  *text,
+                gint          text_len,
+                gchar       **encoding)
+{
+  const gchar *start;
+  const gchar *end;
+  gint         i;
+
+  g_return_val_if_fail (text, FALSE);
+
+  if (text_len < 20)
+    return FALSE;
+
+  start = g_strstr_len (text, text_len, "<?xml");
+  if (!start)
+    return FALSE;
+
+  end = g_strstr_len (start, text_len - (start - text), "?>");
+  if (!end)
+    return FALSE;
+
+  *encoding = NULL;
+
+  text_len = end - start;
+  if (text_len < 12)
+    return TRUE;
+
+  start = g_strstr_len (start + 1, text_len - 1, "encoding");
+  if (!start)
+    return TRUE;
+
+  start += 8;
+
+  while (start < end && *start == ' ')
+    start++;
+
+  if (*start != '=')
+    return TRUE;
+
+  start++;
+
+  while (start < end && *start == ' ')
+    start++;
+
+  if (*start != '\"' && *start != '\'')
+    return TRUE;
+
+  text_len = end - start;
+  if (text_len < 1)
+    return TRUE;
+
+  for (i = 1; i < text_len; i++)
+    if (start[i] == start[0])
+      break;
+
+  if (i == text_len || i < 3)
+    return TRUE;
+
+  *encoding = g_strndup (start + 1, i - 1);
+
+  return TRUE;
+}
+
+gboolean
+xml_parser_parse_io_channel (GimpXmlParser  *parser,
+                             GIOChannel     *io,
+                             GError        **error)
+{
+  GIOStatus    status;
+  gchar        buffer[4096];
+  gsize        len = 0;
+  gsize        bytes;
+  const gchar *io_encoding;
+  gchar       *encoding = NULL;
+
+  g_return_val_if_fail (parser != NULL, FALSE);
+  g_return_val_if_fail (io != NULL, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  io_encoding = g_io_channel_get_encoding (io);
+  if (g_strcmp0 (io_encoding, "UTF-8"))
+    {
+      g_warning ("xml_parser_parse_io_channel():\n"
+                 "The encoding has already been set on this GIOChannel!");
+      return FALSE;
+    }
+
+  /* try to determine the encoding */
+
+  g_io_channel_set_encoding (io, NULL, NULL);
+
+  while (len < sizeof (buffer))
+    {
+      status = g_io_channel_read_chars (io, buffer + len, 1, &bytes, error);
+      len += bytes;
+
+      if (status == G_IO_STATUS_ERROR)
+        return FALSE;
+      if (status == G_IO_STATUS_EOF)
+        break;
+
+      if (parse_encoding (buffer, len, &encoding))
+        break;
+    }
+
+  if (encoding)
+    {
+      if (! g_io_channel_set_encoding (io, encoding, error))
+        return FALSE;
+
+      if (encoding)
+        g_free (encoding);
+    }
+  else
+    {
+      g_io_channel_set_encoding (io, "UTF-8", NULL);
+    }
+
+  while (TRUE)
+    {
+      if (!g_markup_parse_context_parse (parser->context, buffer, len, error))
+        return FALSE;
+
+      status = g_io_channel_read_chars (io,
+                                        buffer, sizeof (buffer), &len, error);
+
+      switch (status)
+        {
+        case G_IO_STATUS_ERROR:
+          return FALSE;
+        case G_IO_STATUS_EOF:
+          return g_markup_parse_context_end_parse (parser->context, error);
+        case G_IO_STATUS_NORMAL:
+        case G_IO_STATUS_AGAIN:
+          break;
+        }
+    }
+}
+
diff --git a/plug-ins/metadata/metadata-xml.h b/plug-ins/metadata/metadata-xml.h
new file mode 100644
index 0000000..12ac77b
--- /dev/null
+++ b/plug-ins/metadata/metadata-xml.h
@@ -0,0 +1,98 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Copyright (C) 2016, 2017 Ben Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __METADATA_XML_H__
+#define __METADATA_XML_H__
+
+#include "metadata-misc.h"
+
+struct _GimpXmlParser
+{
+  GMarkupParseContext *context;
+};
+
+typedef struct _GimpXmlParser GimpXmlParser;
+
+void
+xml_parser_start_element                     (GMarkupParseContext   *context,
+                                              const gchar           *element_name,
+                                              const gchar          **attribute_names,
+                                              const gchar          **attribute_values,
+                                              gpointer               user_data,
+                                              GError               **error);
+
+void
+xml_parser_data                              (GMarkupParseContext  *context,
+                                              const gchar          *text,
+                                              gsize                 text_len,
+                                              gpointer              user_data,
+                                              GError              **error);
+
+void
+set_tag_ui                                   (metadata_editor      *args,
+                                              int                   index,
+                                              gchar                *name,
+                                              gchar                *value,
+                                              gchar                *mode);
+
+const gchar *
+get_tag_ui_text                              (metadata_editor      *args,
+                                              gchar                *name,
+                                              gchar                *mode);
+
+gchar *
+get_tag_ui_list                              (metadata_editor      *args,
+                                              gchar                *name,
+                                              gchar                *mode);
+
+gint
+get_tag_ui_combo                             (metadata_editor      *args,
+                                              gchar                *name,
+                                              gchar                *mode);
+
+void
+xml_parser_end_element                       (GMarkupParseContext  *context,
+                                              const gchar          *element_name,
+                                              gpointer              user_data,
+                                              GError              **error);
+
+gboolean
+xml_parser_parse_file                        (GimpXmlParser        *parser,
+                                              const gchar          *filename,
+                                              GError              **error);
+
+void
+xml_parser_free                              (GimpXmlParser        *parser);
+
+gboolean
+parse_encoding                               (const gchar          *text,
+                                              gint                  text_len,
+                                              gchar               **encoding);
+
+gboolean
+xml_parser_parse_io_channel                  (GimpXmlParser        *parser,
+                                              GIOChannel           *io,
+                                              GError              **error);
+
+GimpXmlParser *
+xml_parser_new                               (const GMarkupParser  *markup_parser,
+                                              gpointer              user_data);
+
+#endif /* __METADATA_XML_H__ */
+