Change a couple backticks to single quotes to avoid shell syntax errors.

diff --git a/m4/regex.m4 b/m4/regex.m4
index f546dd7bcdc5ae6e98fc0c918acea197fdcb4f21..a79f03bcd73e2cad20a4deecd738efc518ab2a7b 100644 (file)
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -30,10 +30,10 @@ 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
+           /* 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.  */
+           /* This bracket ']' helps quote the unbalanced expression above.  */
            /* This should fail with _Invalid character class name_ error.  */
            if (!s)
              exit (1);