Restore compact call syntax (#9778)

* Initial commit

* Oops broken test

core/modules/parsers/parseutils.js

@@ -239,7 +239,7 @@ exports.parseMacroInvocationAsTransclusion = function(source,pos) {
 	pos = token.end;
 	// Check that the tag is terminated by a space or >>, and that there is a closing >> somewhere ahead
 	if(!(source.charAt(pos) === ">" && source.charAt(pos + 1) === ">") ) {
-		if(!$tw.utils.parseWhiteSpace(source,pos) || source.indexOf(">>",pos) === -1) {
+		if(source.indexOf(">>",pos) === -1) {
 			return null;
 		}
 	}