This fixes empty src tags, and sets them to the blank image. IE causes

a logout to occur when the img src tag is empty. Setting iframe, frame,
or input image to the blank image shouldn't cause any issues.

ChangeLog

@@ -219,6 +219,8 @@ Version 1.5.1 -- CVS
 	with Internet Explorer.
   - Replace <img src="outbind://"> links with clean images to stop
     issues with Internet Explorer not being able to track down the image.
+  - Empty src attribute on img tags causes logouts (IE only), replacing
+    string with blank.png.
 
 
 Version 1.5.0

functions/mime.php

@@ -1451,6 +1451,18 @@ function sq_fixatts($tagname,
                 }
             }
         }
+
+
+        /**
+         * Replace empty src tags with the blank image.  src is only used
+         * for frames, images, and image inputs.  Doing a replace should
+         * not affect them working as should be, however it will stop
+         * IE from being kicked off when src for img tags are not set
+         */
+        if (($attname == 'src') && ($attvalue = '""')) {
+            $attary{$attname} = '"' . SM_PATH . 'images/blank.png"';
+        }
+
         /**
         * Turn cid: urls into http-friendly ones.
         */