X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fregex.m4;h=0017507edf03ecd43cbbae382ba785f0078b2dd7;hb=b6f4a765056b52c30e9b44ca0990f536dd0cb9de;hp=a79f03bcd73e2cad20a4deecd738efc518ab2a7b;hpb=f2aaef059b81506453205d7efc4b7e66b4876254;p=gnulib.git

diff --git a/m4/regex.m4 b/m4/regex.m4
index a79f03bcd..0017507ed 100644
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -1,11 +1,11 @@
-#serial 10
+#serial 12
 
 dnl Initially derived from code in GNU grep.
 dnl Mostly written by Jim Meyering.
 
 dnl Usage: jm_INCLUDED_REGEX([lib/regex.c])
 dnl
-AC_DEFUN(jm_INCLUDED_REGEX,
+AC_DEFUN([jm_INCLUDED_REGEX],
   [
     dnl Even packages that don't use regex.c can use this macro.
     dnl Of course, for them it doesn't do anything.
@@ -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, &regex);
-	    /* This bracket ']' helps quote the unbalanced expression above.  */
+	    [s = re_compile_pattern ("a[[:@:>@:]]b\n", 9, &regex);]
 	    /* This should fail with _Invalid character class name_ error.  */
 	    if (!s)
 	      exit (1);