Ticket #4651: 4651.patch

_source/plugins/styles/plugin.js

@@ -302 +302 @@
 
                 // Get the DTD definition for the element. Defaults to "span".
                 var dtd = CKEDITOR.dtd[ elementName ] || ( isUnknownElement = true, CKEDITOR.dtd.span );
+                // <ins> and <del> should be always consider as inline elements when applying them. (#4651)
+                if ( elementName in { ins : 1, del : 1 } )
+                {
+                        dtd = CKEDITOR.tools.clone( dtd );
+                        CKEDITOR.tools.exclude( dtd, CKEDITOR.dtd.$block );
+                }
 
                 // Bookmark the range so we can re-select it after processing.
                 var bookmark = range.createBookmark();

_source/core/tools.js

@@ -167 +167 @@
                         return target;
                 },
 
+                exclude : function ( obj, exclusion )
+                {
+                        for ( var i in obj )
+                        {
+                                if( obj.hasOwnProperty( i ) && ( obj[ i ] == exclusion[ i ] ) )
+                                        delete obj[ i ];
+                        }
+                },
+
                 /**
                  * Creates an object which is an instance of a class which prototype is a
                  * predefined object. All properties defined in the source object are