diff --git a/src/postiats.ts b/src/postiats.ts
index 7461ef1b..5dc09a7a 100644
--- a/src/postiats.ts
+++ b/src/postiats.ts
@@ -1,8 +1,9 @@
-// see: https://microsoft.github.io/monaco-editor/monarch.html
-
-// ATS/Postiats lexical syntax definition
-// Written by Artyom Shalkhakov over the week of 20th - 27th of June, 2016.
-// License: BSD v3 (but probably GPL, since ATS/Postiats lexer is GPL? not a lawyer!)
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Artyom Shalkhakov. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *
+ *  Based on the ATS/Postiats lexer by Hongwei Xi.
+ *--------------------------------------------------------------------------------------------*/
 
 'use strict';
 
@@ -26,14 +27,14 @@ export var conf:IRichLanguageConfiguration = {
 export var language = <ILanguage> {
   tokenPostfix: '.pats',
 
-// TODO: staload and dynload are followed by a special kind of string literals
-// with {$IDENTIFER} variables, and it also may make sense to highlight
-// the punctuation (. and / and \) differently.
+  // TODO: staload and dynload are followed by a special kind of string literals
+  // with {$IDENTIFER} variables, and it also may make sense to highlight
+  // the punctuation (. and / and \) differently.
 
   // Set defaultToken to invalid to see what you do not tokenize yet
   defaultToken: 'invalid',
 
-  // reference: https://github.com/githwxi/ATS-Postiats/blob/master/src/pats_lexing_token.dats
+  // keyword reference: https://github.com/githwxi/ATS-Postiats/blob/master/src/pats_lexing_token.dats
 
   keywords: [
 //
@@ -462,6 +463,7 @@ export var language = <ILanguage> {
   start: 'root',
 
   // The main tokenizer for ATS/Postiats
+  // reference: https://github.com/githwxi/ATS-Postiats/blob/master/src/pats_lexing.dats
   tokenizer: {
     root: [
       // lexing_blankseq0
@@ -604,7 +606,6 @@ export var language = <ILanguage> {
     ],
 
     lexing_COMMENT_block_ml: [
-        //{regex: /\(\*(?!\))|\*\)/, action: { cases: { '\\(\\*': {token: 'comment', next: '@push'}, '@default': {token: 'comment', next: '@pop'} } }},
       [/[^\(\*]+/, 'comment'],
       [/\(\*/, 'comment', '@push' ],
       [/\(\*/, 'comment.invalid' ],
@@ -613,8 +614,8 @@ export var language = <ILanguage> {
     ],
     lexing_COMMENT_block_c: [
       [/[^\/*]+/, 'comment' ],
-      // [/\/\*/, 'comment', '@push' ],    // nested comment not allowed :-(
-      // [/\/\*/,    'comment.invalid' ],	// this breaks block comments in the shape of /* //*/
+      // [/\/\*/, 'comment', '@push' ],    // nested C-style block comments not allowed
+      // [/\/\*/,    'comment.invalid' ],	// NOTE: this breaks block comments in the shape of /* //*/
       [/\*\//,    'comment', '@pop'  ],
       [/[\/*]/,   'comment' ]
     ],
diff --git a/test/postiats.test.ts b/test/postiats.test.ts
index db3c8c69..fd7b0657 100644
--- a/test/postiats.test.ts
+++ b/test/postiats.test.ts
@@ -89,7 +89,7 @@ testTokenization('postiats', [
 		{ startIndex: 0, type: 'keyword.pats' },
 		{ startIndex: 3, type: '' },
 		{ startIndex: 4, type: 'identifier.pats' },
-        { startIndex: 5, type: 'keyword.pats'}
+        { startIndex: 5, type: 'keyword.pats'},
 		{ startIndex: 6, type: 'type.pats' },
 		{ startIndex: 9, type: '' },
 		{ startIndex: 10, type: 'keyword.pats' },
@@ -415,6 +415,18 @@ testTokenization('postiats', [
 		{ startIndex: 4, type: 'number.decimal.pats' }
 	]}],
 
+	// hi-lighting of variables in staload/dynload
+	[{
+	line: '"{$LIBATSCC2JS}/staloadall.hats"',
+	tokens: [
+		{ startIndex: 0, type: 'string.quote.pats' },
+		{ startIndex: 1, type: 'string.escape.pats' },
+		{ startIndex: 3, type: 'identifier.pats' },
+		{ startIndex: 14, type: 'string.escape.pats' },
+		{ startIndex: 15, type: 'string.pats' },
+		{ startIndex: 31, type: 'string.quote.pats' }
+	]}],
+
 	// Monarch Generated
 	[{
 	line: '#include "/path/to/my/file.h"',
@@ -536,7 +548,7 @@ testTokenization('postiats', [
         { startIndex: 13, type: 'delimiter.comma.pats' },
         { startIndex: 14, type: '' },
         { startIndex: 15, type: 'number.decimal.pats' },
-        { startIndex: 16, type: 'delimiter.parenthesis.pats' }
+        { startIndex: 16, type: 'delimiter.parenthesis.pats' },
         { startIndex: 17, type: '' },
         { startIndex: 18, type: 'keyword.pats' },
         { startIndex: 20, type: '' },
@@ -611,9 +623,9 @@ testTokenization('postiats', [
         { startIndex: 31, type: 'identifier.pats' },
         { startIndex: 32, type: 'delimiter.parenthesis.pats' },
         { startIndex: 33,  type: '' },
-	    { startIndex: 34, type: 'keyword.pats' }
+	    { startIndex: 34, type: 'keyword.pats' },
         { startIndex: 35, type: '' },
-        { startIndex: 36, type: 'delimiter.square.pats' }
+        { startIndex: 36, type: 'delimiter.square.pats' },
         { startIndex: 37, type: 'identifier.pats' },
         { startIndex: 38, type: 'keyword.pats' },
         { startIndex: 39, type: 'type.pats' },