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+#------------------------------------------------------------------------------
+# $File: iff,v 1.18 2022/03/21 19:57:18 christos Exp $
+# iff: file(1) magic for Interchange File Format (see also "audio" & "images")
+#
+# Daniel Quinlan (quinlan@yggdrasil.com) -- IFF was designed by Electronic
+# Arts for file interchange. It has also been used by Apple, SGI, and
+# especially Commodore-Amiga.
+#
+# IFF files begin with an 8 byte FORM header, followed by a 4 character
+# FORM type, which is followed by the first chunk in the FORM.
+
+0 string FORM IFF data
+#>4 belong x \b, FORM is %d bytes long
+# audio formats
+>8 string AIFF \b, AIFF audio
+!:mime audio/x-aiff
+>8 string AIFC \b, AIFF-C compressed audio
+!:mime audio/x-aiff
+>8 string 8SVX \b, 8SVX 8-bit sampled sound voice
+!:mime audio/x-aiff
+>8 string 16SV \b, 16SV 16-bit sampled sound voice
+>8 string SAMP \b, SAMP sampled audio
+>8 string MAUD \b, MAUD MacroSystem audio
+>8 string SMUS \b, SMUS simple music
+>8 string CMUS \b, CMUS complex music
+# image formats
+>8 string ILBMBMHD \b, ILBM interleaved image
+>>20 beshort x \b, %d x
+>>22 beshort x %d
+>8 string RGBN \b, RGBN 12-bit RGB image
+>8 string RGB8 \b, RGB8 24-bit RGB image
+>8 string DEEP \b, DEEP TVPaint/XiPaint image
+>8 string DR2D \b, DR2D 2-D object
+>8 string TDDD \b, TDDD 3-D rendering
+>8 string LWOB \b, LWOB 3-D object
+>8 string LWO2 \b, LWO2 3-D object, v2
+>8 string LWLO \b, LWLO 3-D layered object
+>8 string REAL \b, REAL Real3D rendering
+>8 string MC4D \b, MC4D MaxonCinema4D rendering
+>8 string ANIM \b, ANIM animation
+>8 string YAFA \b, YAFA animation
+>8 string SSA\ \b, SSA super smooth animation
+>8 string FANT \b, Fantavision animation
+>8 string ACBM \b, ACBM continuous image
+>8 string FAXX \b, FAXX fax image
+>8 string STFX \b, ST-Fax image
+>8 string IMAGIHDR \b, CD-i image
+# other formats
+>8 string FTXT \b, FTXT formatted text
+>8 string CTLG \b, CTLG message catalog
+>8 string PREF \b, PREF preferences
+>8 string DTYP \b, DTYP datatype description
+>8 string PTCH \b, PTCH binary patch
+>8 string AMFF \b, AMFF AmigaMetaFile format
+>8 string WZRD \b, WZRD StormWIZARD resource
+>8 string DOC\040 \b, DOC desktop publishing document
+>8 string SWRT \b, SWRT Final Copy/Writer document
+>8 string WORD \b, ProWrite document
+>8 string WTXT \b, WTXT Wordworth document
+>8 string WOWO \b, WOWO Wordworth document
+>8 string WVQA \b, Westwood Studios VQA Multimedia,
+>>24 leshort x %d video frames,
+>>26 leshort x %d x
+>>28 leshort x %d
+>8 string MOVE \b, Wing Commander III Video
+>>12 string _PC_ \b, PC version
+>>12 string 3DO_ \b, 3DO version
+
+# These go at the end of the iff rules
+#
+# David Griffith <dave@661.org>
+# I don't see why these might collide with anything else.
+#
+# Interactive Fiction related formats
+#
+>8 string IFRS \b, Blorb Interactive Fiction
+>>24 string Exec with executable chunk
+>8 string IFZS \b, Z-machine or Glulx saved game file (Quetzal)
+!:mime application/x-blorb