Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 6438)
+++ /CKEditor/trunk/CHANGES.html	(revision 6439)
@@ -55,4 +55,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/7092">#7092</a> : Corrupted toolbar button state for inline style after switch to source.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/7168">#7168</a> : Editor destroying logic flaws.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/6921">#6921</a> : Pasted text marked by SCAYT in one language is not re-checked if another spellchecking language is selected in editor.</li>
 		<li>Updated the following language files:<ul>
 			<li><a href="http://dev.ckeditor.com/ticket/7124">#7124</a> : Czech;</li>
Index: /CKEditor/trunk/_source/plugins/scayt/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/scayt/plugin.js	(revision 6438)
+++ /CKEditor/trunk/_source/plugins/scayt/plugin.js	(revision 6439)
@@ -505,4 +505,20 @@
 		init : function( editor )
 		{
+			// Delete span[data-scaytid] when text pasting in editor (#6921) 
+			var dataFilter = editor.dataProcessor && editor.dataProcessor.dataFilter; 
+			var dataFilterRules = 
+			{ 
+					elements : 
+					{ 
+							span : function( element ) 
+							{ 
+									var attrs = element.attributes; 
+									if ( attrs && attrs[ 'data-scaytid' ] ) 
+											delete element.name; 
+							} 
+					} 
+			}; 
+			dataFilter && dataFilter.addRules( dataFilterRules ); 
+			
 			var moreSuggestions = {},
 				mainSuggestions = {};