Index: /CKEditor/trunk/_source/core/htmlparser/element.js
===================================================================
--- /CKEditor/trunk/_source/core/htmlparser/element.js	(revision 3107)
+++ /CKEditor/trunk/_source/core/htmlparser/element.js	(revision 3108)
@@ -73,5 +73,6 @@
 
 	var ckeAttrRegex = /^_cke/,
-		ckeClassRegex = /(^|\s+)cke_[^\s]*/g;
+		ckeClassRegex = /(?:^|\s+)cke_[^\s]*/g,
+		ckePrivateAttrRegex = /^_cke_pa_/;
 
 	CKEDITOR.htmlParser.element.prototype =
@@ -138,4 +139,9 @@
 			for ( var a in attributes )
 			{
+				var value = attributes[ a ];
+
+				// If the attribute name is _cke_pa_*, strip away the _cke_pa part.
+				a = a.replace( ckePrivateAttrRegex, '' );
+
 				// Ignore all attributes starting with "_cke".
 				if ( ckeAttrRegex.test( a ) )
@@ -145,10 +151,10 @@
 				if ( a.toLowerCase() == 'class' )
 				{
-					this.attributes[ a ] = CKEDITOR.tools.ltrim( this.attributes[ a ].replace( ckeClassRegex, '' ) );
-					if ( this.attributes[ a ] == '' )
+					value = CKEDITOR.tools.ltrim( value.replace( ckeClassRegex, '' ) );
+					if ( value == '' )
 						continue;
 				}
 
-				attribsArray.push( [ a, this.attributes[ a ] ] );
+				attribsArray.push( [ a, value ] );
 			}
 
Index: /CKEditor/trunk/_source/plugins/link/dialogs/link.js
===================================================================
--- /CKEditor/trunk/_source/plugins/link/dialogs/link.js	(revision 3107)
+++ /CKEditor/trunk/_source/plugins/link/dialogs/link.js	(revision 3108)
@@ -129,5 +129,5 @@
 			if ( !target )
 			{
-				var onclick = element.getAttribute( '_cke_saved_onclick' ) || element.getAttribute( 'onclick' ),
+				var onclick = element.getAttribute( '_cke_pa_onclick' ) || element.getAttribute( 'onclick' ),
 					onclickMatch = onclick && onclick.match( popupRegex );
 				if ( onclickMatch )
@@ -1058,5 +1058,5 @@
 
 					onclickList.push( featureList.join( ',' ), '\'); return false;' );
-					attributes._cke_saved_onclick = onclickList.join( '' );
+					attributes[ CKEDITOR.env.ie || CKEDITOR.env.webkit ? '_cke_pa_onclick' : 'onclick' ] = onclickList.join( '' );
 				}
 				else
@@ -1064,5 +1064,5 @@
 					if ( data.target.type != 'notSet' && data.target.name )
 						attributes.target = data.target.name;
-					removeAttributes.push( '_cke_saved_onclick', 'onclick' );
+					removeAttributes.push( '_cke_pa_onclick', 'onclick' );
 				}
 			}