Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 4665)
+++ /CKEditor/trunk/CHANGES.html	(revision 4666)
@@ -157,4 +157,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4518">#4518</a> : Fixed unable to open dialog without editor focus in IE.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4519">#4519</a> : Fixed maximize without editor focus throw error in IE.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4543">#4543</a> : Fixed unable to move cursor between table and hr.</li>
 		<li>Updated the following language files:<ul>
 			<li><a href="http://dev.fckeditor.net/ticket/3947">#3947</a> : Arabic;</li>
Index: /CKEditor/trunk/_source/plugins/wysiwygarea/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/wysiwygarea/plugin.js	(revision 4665)
+++ /CKEditor/trunk/_source/plugins/wysiwygarea/plugin.js	(revision 4666)
@@ -16,5 +16,5 @@
 	var nonExitableElementNames = { table:1,pre:1 };
 	// Matching an empty paragraph at the end of document.
-	var emptyParagraphRegexp = /\s*<(p|div|address|h\d|center)[^>]*>\s*(?:<br[^>]*>|&nbsp;|\u00A0|&#160;)\s*(:?<\/\1>)?\s*$/gi;
+	var emptyParagraphRegexp = /\s*<(p|div|address|h\d|center)[^>]*>\s*(?:<br[^>]*>|&nbsp;|\u00A0|&#160;)?\s*(:?<\/\1>)?\s*$/gi;
 
 	function onInsertHtml( evt )
@@ -179,6 +179,5 @@
 		{
 			restoreDirty( editor );
-			var bms = selection.createBookmarks(),
-				fixedBlock = range.fixBlock( true,
+			var fixedBlock = range.fixBlock( true,
 					editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p'  );
 
@@ -190,30 +189,27 @@
 			}
 
-			selection.selectBookmarks( bms );
-
-			// If the fixed block is blank and is already followed by a exitable
-			// block, we should drop it and move to the exist block(#3684).
-			var children = fixedBlock.getChildren(),
-				count = children.count(),
-				firstChild,
-				previousElement = fixedBlock.getPrevious( isNotWhitespace ),
-				nextElement = fixedBlock.getNext( isNotWhitespace ),
-				enterBlock;
-			if ( previousElement && previousElement.getName
-				 && !( previousElement.getName() in nonExitableElementNames ) )
-				enterBlock = previousElement;
-			else if ( nextElement && nextElement.getName
-					  && !( nextElement.getName() in nonExitableElementNames ) )
-				enterBlock = nextElement;
-
-			// Not all blocks are editable, e.g. <hr />, further checking it.(#3994)
-			if( ( !count
-				  || ( firstChild = children.getItem( 0 ) ) && firstChild.is && firstChild.is( 'br' ) )
-				&& enterBlock
-				&& range.moveToElementEditStart( enterBlock ) )
+			// If the fixed block is blank and already followed by a exitable
+			// block, we should revert the fix. (#3684)
+			if( fixedBlock.getOuterHtml().match( emptyParagraphRegexp ) )
 			{
-				fixedBlock.remove();
-				range.select();
+				var previousElement = fixedBlock.getPrevious( isNotWhitespace ),
+					nextElement = fixedBlock.getNext( isNotWhitespace );
+
+
+				if ( previousElement && previousElement.getName
+					 && !( previousElement.getName() in nonExitableElementNames )
+					 && range.moveToElementEditStart( previousElement )
+					 || nextElement && nextElement.getName
+					   && !( nextElement.getName() in nonExitableElementNames )
+					   && range.moveToElementEditStart( nextElement ) )
+				{
+					fixedBlock.remove();
+				}
 			}
+
+			range.select();
+			// Notify non-IE that selection has changed.
+			if( !CKEDITOR.env.ie )
+				editor.selectionChange();
 		}