X-Git-Url: https://jasonwoof.com/gitweb/?p=ckeditor.git;a=blobdiff_plain;f=_source%2Fplugins%2Findent%2Fplugin.js;h=d175e46664ca8e98845235d3c91e4defab26d31b;hp=d61e6a691868358f280f350408c92a025c575e34;hb=8665a7c6c60586526e32e8941fe2896739b6ebfb;hpb=e7789c1ad838194d45eeee6ac2eb6e55f5cf35a1

diff --git a/_source/plugins/indent/plugin.js b/_source/plugins/indent/plugin.js
index d61e6a6..d175e46 100644
--- a/_source/plugins/indent/plugin.js
+++ b/_source/plugins/indent/plugin.js
@@ -11,6 +11,9 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 {
 	var listNodeNames = { ol : 1, ul : 1 };
 
+	var isNotWhitespaces = CKEDITOR.dom.walker.whitespaces( true ),
+		isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true );
+
 	function setState( editor, state )
 	{
 		editor.getCommand( this.name ).setState( state );
@@ -187,6 +190,11 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 					   followingList.is &&
 					   followingList.getName() in listNodeNames )
 				{
+					// IE requires a filler NBSP for nested list inside empty list item,
+					// otherwise the list item will be inaccessiable. (#4476)
+					if ( CKEDITOR.env.ie && !li.getFirst( function( node ){ return isNotWhitespaces( node ) && isNotBookmark( node ); } ) )
+						li.append( range.document.createText( '\u00a0' ) );
+
 					li.append( followingList );
 				}