From b857a5537fb92a254d5af4ddf8c5843ad9674d55 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sun, 24 Jun 2001 20:01:11 +0000 Subject: [PATCH] (jm_INCLUDED_REGEX): Use a quadrigraph to represent an unmatched right bracket, rather than an extra, falsely-matching quote in a comment. Patch by Akim Demaille. --- m4/regex.m4 | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/m4/regex.m4 b/m4/regex.m4 index a79f03bcd7..0eb69fc74a 100644 --- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -1,4 +1,4 @@ -#serial 10 +#serial 11 dnl Initially derived from code in GNU grep. dnl Mostly written by Jim Meyering. @@ -30,10 +30,7 @@ AC_DEFUN(jm_INCLUDED_REGEX, const char *s; struct re_registers regs; re_set_syntax (RE_SYNTAX_POSIX_EGREP); - /* These two brackets, '[[' and the one in the comment below serve - to quote the brackets (unbalanced) in the following line. */ - s = re_compile_pattern ("a[[:]:]]b\n", 9, ®ex); - /* This bracket ']' helps quote the unbalanced expression above. */ + [s = re_compile_pattern ("a[[:@:>@:]]b\n", 9, ®ex);] /* This should fail with _Invalid character class name_ error. */ if (!s) exit (1); -- 2.30.2