Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 6555)
+++ /CKEditor/trunk/CHANGES.html	(revision 6556)
@@ -72,4 +72,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/7018">#7018</a> : [IE] Combo boxes didn't have border around them.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/7073">#7073</a> : Image dialog now does not allow zero height and width to be entered.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/7316">#7316</a> : [FF] Click on paste button incorrectly break the line at cursor.</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/clipboard/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/clipboard/plugin.js	(revision 6555)
+++ /CKEditor/trunk/_source/plugins/clipboard/plugin.js	(revision 6556)
@@ -159,4 +159,6 @@
 	};
 
+	function cancel( evt ) { evt.cancel(); }
+
 	// Allow to peek clipboard content by redirecting the
 	// pasting content into a temporary bin and grab the content of it.
@@ -209,4 +211,6 @@
 		var bms = sel.createBookmarks();
 
+		this.on( 'selectionChange', cancel, null, null, 0 );
+
 		// Turn off design mode temporarily before give focus to the paste bin.
 		if ( mode == 'text' )
@@ -235,4 +239,5 @@
 			mode == 'text' && CKEDITOR.env.gecko && editor.focusGrabber.focus();
 			pastebin.remove();
+			editor.removeListener( 'selectionChange', cancel );
 
 			// Grab the HTML contents.