Ticket #7637: 7637.patch

_source/plugins/horizontalrule/plugin.js

@@ -14 +14 @@
                 canUndo : false,    // The undo snapshot will be handled by 'insertElement'.
                 exec : function( editor )
                 {
-                        editor.insertElement( editor.document.createElement( 'hr' ) );
+                        var hr = editor.document.createElement( 'hr' ),
+                                range = new CKEDITOR.dom.range( editor.document );
+
+                        editor.insertElement( hr );
+
+                        // If there's nothing or a non-editable block followed by, establish a new paragraph
+                        // to make sure cursor is not trapped.
+                        range.moveToPosition( hr, CKEDITOR.POSITION_AFTER_END );
+                        var next = hr.getNext();
+                        if ( !next || next.type == CKEDITOR.NODE_ELEMENT && !next.isEditable() )
+                                range.fixBlock( true, editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p'  );
+
+                        range.select();
                 }
         };