[PATCH 1/7] Documentation: fix warning in cat-texi.perl

Newer versions of Perl produce the warning "Unescaped left brace in
regex is deprecated, passed through in regex" when an unescaped left
brace occurs in a regex.  Escape the brace to avoid this warning.

Signed-off-by: brian m. carlson <redacted>
---
 Documentation/cat-texi.perl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/cat-texi.perl b/Documentation/cat-texi.perl
index 87437f8a9..b1fe52e8b 100755
--- a/Documentation/cat-texi.perl
+++ b/Documentation/cat-texi.perl

@@ -11,7 +11,7 @@ while (<STDIN>) {
 	if (s/^\@top (.*)/\@node $1,,,Top/) {
 		push @menu, $1;
 	}
-	s/\(\@pxref{\[(URLS|REMOTES)\]}\)//;
+	s/\(\@pxref\{\[(URLS|REMOTES)\]}\)//;
 	s/\@anchor\{[^{}]*\}//g;
 	print TMP;
 }