(select-safe-coding-system): Hightlight at most 256 characters.

diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index c05129bfc17a1c1355f761d8e1a6045edc21171a..cc72c2580c0dd2b6488dbb1f5e4ebea36afbd019 100644 (file)
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -495,7 +495,8 @@ and TO is ignored."
            (beginning-of-line)
            (set-window-start (selected-window) (point))
            (save-excursion
-             (while (re-search-forward "[^\000-\177]" to t)
+             (while (and (< (length overlays) 256)
+                         (re-search-forward "[^\000-\177]" to t))
                (let* ((char (preceding-char))
                       (charset (char-charset char)))
                  (when (assq charset non-safe-chars)