Ticket #5742: 5742.patch

_source/plugins/scayt/plugin.js

@@ -261 +261 @@
                                 // Making the comparison based on content without SCAYT word markers.
                                 if ( scayt_instance && plugin.isScaytReady( this.editor ) )
                                 {
-                                        this.contents = scayt_instance.reset( thisContents );
-                                        otherImage.contents = scayt_instance.reset( otherContents );
+                                        // scayt::reset might return value undefined. (#5742)
+                                        this.contents = scayt_instance.reset( thisContents ) || '';
+                                        otherImage.contents = scayt_instance.reset( otherContents ) || '';
                                 }
                                 
                                 var retval = org.apply( this, arguments );