1 files changed, 37 insertions, 0 deletions
diff --git a/tmac/tests/s_PN-works.sh b/tmac/tests/s_PN-works.sh
new file mode 100755
index 0000000..1c72634
--- /dev/null
+++ b/tmac/tests/s_PN-works.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+#
+# Copyright (C) 2021 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="${abs_top_builddir:-.}/test-groff"
+
+# Regression-test Savannah #59823.
+#
+# Ensure retention of superfluous but fossilized register PN.
+
+EXAMPLE=\
+'.bp 2
+.LP
+This is page \n[PN].
+'
+
+printf "%s" "$EXAMPLE" \
+    | "$groff" -Tascii -P-cbou -ms \
+    | grep -Fqx 'This is page 2.'
+
+# vim:set ai et sw=4 ts=4 tw=72: