Ticket #4971: 4791.patch

_source/plugins/enterkey/plugin.js

@@ -21 +21 @@
         {
                 enterBlock : function( editor, mode, range, forceMode )
                 {
+                        var elementPath = new CKEDITOR.dom.elementPath( editor.getSelection().getStartElement() );
+
+                        var startBlock = elementPath.block,
+                                startBlockTag = startBlock && elementPath.block.getName();
+                        if ( forceMode && startBlockTag == 'li' )
+                        {
+                                enterBr( editor, mode, range, forceMode );
+                                return;
+                        }
+
                         // Get the range for the current selection.
                         range = range || getRange( editor );