Index: _source/plugins/entities/plugin.js
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- _source/plugins/entities/plugin.js	(revision 7404)
+++ _source/plugins/entities/plugin.js	(revision )
@@ -114,25 +114,27 @@
 			if ( htmlFilter )
 			{
 				// Mandatory HTML base entities.
-				var selectedEntities = '';
+				var selectedEntities = [];
 
 				if ( config.basicEntities !== false )
-					selectedEntities += htmlbase;
+					selectedEntities.push( htmlbase );
 
 				if ( config.entities )
 				{
-					selectedEntities += ',' + entities;
+					if ( selectedEntities.length )
+						selectedEntities.push( entities )
+
 					if ( config.entities_latin )
-						selectedEntities += ',' + latin;
+						selectedEntities.push( latin );
 
 					if ( config.entities_greek )
-						selectedEntities += ',' + greek;
+						selectedEntities.push( greek );
 
 					if ( config.entities_additional )
-						selectedEntities += ',' + config.entities_additional;
+						selectedEntities.push( config.entities_additional );
 				}
 
-				var entitiesTable = buildTable( selectedEntities );
+				var entitiesTable = buildTable( selectedEntities.join( ',' ) );
 
 				// Create the Regex used to find entities in the text, leave it matches nothing if entities are empty.
 				var entitiesRegex = entitiesTable.regex ? '[' + entitiesTable.regex + ']' : 'a^';