no backticks in C comments

diff --git a/m4/regex.m4 b/m4/regex.m4
index acfdf9431a0f6c935248a2b500c43a976f30c89f..ddb198c9be31727545ae769123d2fcccc9b7c4b6 100644 (file)
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -61,7 +61,7 @@ AC_DEFUN([jm_INCLUDED_REGEX],
              exit (1);
 
            /* The version of regex.c in e.g. GNU libc-2.2.93 didn't
-              work with a negative `range' argument.  */
+              work with a negative RANGE argument.  */
            if (re_search (&regex, "wxy", 3, 2, -2, &regs) != 1)
              exit (1);