X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Ftext-props.el;h=4c30905103bdda3517e0de62d09ad503e272c38b;hb=3c2ae053476ec27340f9af5d95cddb7014035bd0;hp=0e1baebc7102588112899ee9a8ebbb5aa304dfe6;hpb=afa9772e3fcbb4e80e3e4cfd1a40b4fccc6d08b8;p=chise%2Fxemacs-chise.git.1

diff --git a/lisp/text-props.el b/lisp/text-props.el
index 0e1baeb..4c30905 100644
--- a/lisp/text-props.el
+++ b/lisp/text-props.el
@@ -234,7 +234,7 @@ containing the text and defaults to the current buffer."
     (setq start (next-single-property-change start prop buffer-or-string end)))
   ;; we have to insert a special check for end due to the illogical
   ;; definition of next-single-property-change (blame FSF for this).
-  (if (eq start end) nil start))
+  (if (and start (>= start end)) nil start))
 
 (defun text-property-not-all (start end prop value &optional buffer-or-string)
   "Check text from START to END to see if PROP is ever not `eq' to VALUE.
@@ -248,7 +248,7 @@ containing the text and defaults to the current buffer."
 					       buffer-or-string end)))
       ;; we have to insert a special check for end due to the illogical
       ;; definition of previous-single-property-change (blame FSF for this).
-      (if (eq retval end) nil retval))))
+      (if (and retval (>= retval end)) nil retval))))
 
 ;; Older versions that only work sometimes (when VALUE is non-nil
 ;; for text-property-any, and maybe only when VALUE is nil for