1 files changed, 85 insertions, 0 deletions
diff --git a/src/preproc/tbl/tests/save-and-restore-line-numbering.sh b/src/preproc/tbl/tests/save-and-restore-line-numbering.sh
new file mode 100755
index 0000000..592b43a
--- /dev/null
+++ b/src/preproc/tbl/tests/save-and-restore-line-numbering.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+#
+# Copyright (C) 2022 Free Software Foundation, Inc.
+#
+# This file is part of groff.
+#
+# groff 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.
+#
+# groff 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 <http://www.gnu.org/licenses/>.
+#
+
+groff="${abs_top_builddir:-.}/test-groff"
+
+fail=
+
+wail () {
+    echo ...FAILED >&2
+    fail=YES
+}
+
+# Regression-test Savannah #60140.
+#
+# Line numbering needs to be suspended within a table and restored
+# afterward.  Historical implementations handled line numbering in
+# tables badly when text blocks were used.
+
+input='.nm 1
+Here is a line of output.
+Sic transit adispicing meatballs.
+We pad it out with more content to ensure that the line breaks.
+.TS
+L.
+This is my table.
+There are many like it but this one is mine.
+T{
+Ut enim ad minima veniam,
+quis nostrum exercitationem ullam corporis suscipitlaboriosam,
+nisi ut aliquid ex ea commodi consequatur?
+T}
+.TE
+What is the line number now?'
+
+output=$(printf "%s\n" "$input" | "$groff" -Tascii -P-cbou -t)
+echo "$output"
+
+echo "testing that line numbering is suppressed in table" >&2
+echo "$output" | grep -Fqx 'This is my table.' || wail
+
+echo "testing that line numbering is restored after table" >&2
+echo "$output" | grep -Eq '3 +What is the line number now\?' || wail
+
+input='.nf
+.nm 1
+test of line numbering suppression
+five
+four
+.nn 3
+three
+.TS
+L.
+I am a table.
+I have two rows.
+.TE
+two
+one
+numbering returns here'
+
+output=$(printf "%s\n" "$input" | "$groff" -Tascii -P-cbou -t)
+echo "$output"
+
+echo "testing that suppressed numbering is restored correctly" >&2
+echo "$output" | grep -Eq '4 +numbering returns here' || wail
+
+test -z "$fail"
+
+# vim:set ai et sw=4 ts=4 tw=72: