Ticket #5931: 5931_4.patch

_source/plugins/styles/plugin.js

@@ -536 +536 @@
                                         if ( !CKEDITOR.env.ie )
                                                 styleNode.$.normalize();
                                 }
+                                // Style already inherit from parents, left just to clear up any internal overrides. (#5931)
+                                else
+                                {
+                                        styleNode = new CKEDITOR.dom.element( 'span' );
+                                        styleRange.extractContents().appendTo( styleNode );
+                                        styleRange.insertNode( styleNode );
+                                        removeFromInsideElement( this, styleNode );
+                                        styleNode.remove( true );
+                                }
 
                                 // Style applied, let's release the range, so it gets
                                 // re-initialization in the next loop.