--- a/info/info-utils.c	2016-01-30 13:02:41.000000000 +0100
+++ texinfo-6.1/info/info-utils.c	2016-07-10 00:07:33.393993637 +0200
@@ -1621,7 +1621,7 @@
          long index node. */
       if (looking_at_string (contents, INFO_MENU_ENTRY_LABEL)
           || looking_at_string (contents, INFO_XREF_LABEL)
-          || !memcmp (contents, "\0\b[", 3))
+          || !strncmp (contents, "\0\b[", 3))
         return contents;
       contents++;
     }