Follow standard for inheriting from Error

alanbly · lukeapage · commit c6d02c7a6f89 · 2013-04-26T13:55:25.000+01:00
diff --git a/lib/less/parser.js b/lib/less/parser.js
@@ -260,6 +260,9 @@ less.Parser = function Parser(env) {
         ];
     }
 
+    LessError.prototype = new Error();
+    LessError.prototype.constructor = LessError;
+
     this.env = env = env || {};
 
     // The optimization level dictates the thoroughness of the parser,

Original file line number	Diff line number	Diff line change
`@@ -260,6 +260,9 @@ less.Parser = function Parser(env) {`
`260`	`260`	`];`
`261`	`261`	`}`
`262`	`262`
	`263`	`+ LessError.prototype = new Error();`
	`264`	`+ LessError.prototype.constructor = LessError;`
	`265`	`+`
`263`	`266`	`this.env = env = env \|\| {};`
`264`	`267`
`265`	`268`	`// The optimization level dictates the thoroughness of the parser,`