From 692ffb1ec44ba38ef1a3e2468d30a2482642852f Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Wed, 24 Mar 2004 15:12:11 +0000
Subject: [PATCH] (check-texinfo): Add a check to ensure future consistency in
 using @sc{nul}, not `NUL'.

---
 doc/Makefile.am | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/Makefile.am b/doc/Makefile.am
index a870d1e5f9..ad8e92b20f 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -25,10 +25,13 @@ $(DVIS): $(EXTRA_DIST)
 $(INFO_DEPS): $(EXTRA_DIST)
 
 # List words/regexps here that should not appear in the texinfo documentation.
+# E.g., use @sc{nul}, not `NUL'
+# and use `time zone', not `timezone'.
 check-texinfo:
 	fail=0; \
 	grep timezone $(srcdir)/*.texi && fail=1; \
 	grep non-zero $(srcdir)/*.texi && fail=1; \
+	grep -w NUL $(srcdir)/*.texi && fail=1; \
 	grep '\$$@"' $(srcdir)/*.texi && fail=1; \
 	$(PERL) -e 1 2> /dev/null && { $(PERL) -ne \
 	  '/\bPOSIX\b/ && !/\@acronym{POSIX}/ && !/^\* / || /{posix}/ and print,exit 1' \
-- 
2.47.2