gnus-ems.el (gnus-put-image):Don't put any non-blank text into the buffer when inserting images.

lisp/gnus/ChangeLog

+2010-09-25  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* gnus-ems.el (gnus-put-image): Don't put any non-blank text into the
+	buffer when inserting images.  Inserting text into the headers, for
+	instance, can make them invalid.
+
 2010-09-25  Julien Danjou  <julien@danjou.info>
 
 	* rfc1843.el: Remove useless rfc1843-old-gnus-decode-header-function

lisp/gnus/gnus-ems.el

@@ -276,7 +276,7 @@
 
 (defun gnus-put-image (glyph &optional string category)
   (let ((point (point)))
-    (insert-image glyph (or string "*"))
+    (insert-image glyph (or string " "))
     (put-text-property point (point) 'gnus-image-category category)
     (unless string
       (put-text-property (1- (point)) (point)