Fix for macros with no parameters

Author: rcastley

grammars/catchpoint.cson

@@ -2,7 +2,7 @@ scopeName: 'source.cps'
 fileTypes: ['cps']
 name: 'Catchpoint Selenium Script'
 patterns: [
-    {    
+    {
         begin: '^//'
         end: '\\n'
         name: 'comment.line.double-slash.cps'
@@ -27,15 +27,15 @@ patterns: [
                 name: 'keyword.other.cps'
             '3':
                 name: 'keyword.other.cps'
-        match: '(?i)(\\$\\{(AsnName|AsnValue|Base64|CityId|CityName|ContinentName|CountryName|ExtractChild|ExtractVariable|Extract|File|GlobalVariable|Hash|Hex|HostRequestAuthority|HostRequestHost|HostRequestPath|HostRequestPathAndQuery|HostRequestQuery|HostRequestUrl|If|IpVersion|IspId|IspName|LocationId|LocationLatitude|LocationLongitude|LocationName|NetworkType|Password|RandomGuid|RandomList|Random|RegionName|SequentialListByLocation|SequentialListByRun|SequentialList|Switch|TestId|TimeDay|TimeDiff|TimeEpoch|TimeFormat|TimeTrim|Time|UrlDecode|UrlEncode|UserName|var)\\(?).*?(\\)\\})'
+        match: '(?i)(\\$\\{(AsnName|AsnValue|Base64|CityId|CityName|ContinentName|CountryName|ExtractChild|ExtractVariable|Extract|File|GlobalVariable|Hash|Hex|HostRequestAuthority|HostRequestHost|HostRequestPath|HostRequestPathAndQuery|HostRequestQuery|HostRequestUrl|If|IpVersion|IspId|IspName|LocationId|LocationLatitude|LocationLongitude|LocationName|NetworkType|Password|RandomGuid|RandomList|Random|RegionName|SequentialListByLocation|SequentialListByRun|SequentialList|Switch|TestId|TimeDay|TimeDiff|TimeEpoch|TimeFormat|TimeTrim|Time|UrlDecode|UrlEncode|UserName|var|add|offset|ref|sub)\\(?).*?(\\)?\\})'
         name: 'string.quoted.double.cps'
     }
     {
         captures:
             '1':
                 name: 'keyword.control.cps'
             '2':
-                name: 'variable.language.default.cps'    
+                name: 'variable.language.default.cps'
         match: '(?i)(var)\\s*(\\w+)\\s+'
         name: 'keyword.control.cps'
     }