diff -upk.orig cvs-1.11.20.orig/src/rcs.c cvs-1.11.20/src/rcs.c
--- cvs-1.11.20.orig/src/rcs.c	2005-09-29 12:58:22 +0000
+++ cvs-1.11.20/src/rcs.c	2005-09-29 12:58:39 +0000
@@ -3737,13 +3737,18 @@ expand_keywords (rcs, ver, name, log, lo
 	srch_len -= (srch_next + 1) - srch;
 	srch = srch_next + 1;
 
-	/* Look for the first non alphabetic character after the '$'.  */
+	/*
+	 * Accept alphanumerics, not just alphabetics.  XFree86, anyone?
+	 * Branden Robinson  Sat,  7 Sep 2002 02:04:59 -0500
+	 */
+
+	/* Look for the first non alphanumeric character after the '$'.  */
 	send = srch + srch_len;
 	for (s = srch; s < send; s++)
-	    if (! isalpha ((unsigned char) *s))
+	    if (! isalnum ((unsigned char) *s))
 		break;
 
-	/* If the first non alphabetic character is not '$' or ':',
+	/* If the first non alphanumeric character is not '$' or ':',
            then this is not an RCS keyword.  */
 	if (s == send || (*s != '$' && *s != ':'))
 	    continue;