Ticket #4385: 4385.patch

_source/plugins/wysiwygarea/plugin.js

@@ -134 +134 @@
                         selection = evt.data.selection,
                         range = selection.getRanges()[0],
                         body = editor.document.getBody(),
-                        enterMode = editor.config.enterMode;
+                        enterMode = editor.config.enterMode,
+                        isDirtyBeforeFix = editor.checkDirty();
 
                 // When enterMode set to block, we'll establing new paragraph only if we're
                 // selecting inline contents right under body. (#3657)
@@ -198 +199 @@
                                                 '<br _cke_bogus="true" />' : 'br' );
                         body.append( paddingBlock );
                 }
+
+                // DOM modification here should not bother dirty flag.(#4385)
+                if( !isDirtyBeforeFix )
+                        editor.resetDirty();
         }
 
         CKEDITOR.plugins.add( 'wysiwygarea',