--- cvs-1.11.19/src/rcs.c.old	2005-03-14 13:09:39.000000000 +0100

+++ cvs-1.11.19/src/rcs.c	2005-03-14 13:08:24.000000000 +0100

@@ -3382,7 +3382,7 @@

 RCS_check_tag (tag)

     const char *tag;

 {

-    char *invalid = "$,.:;@";		/* invalid RCS tag characters */

+    char *invalid = "$,.:;@/";		/* invalid RCS tag characters */

     const char *cp;

     /*