when parsing a string, capture the content too

lib/less/node/quoted.js

@@ -1,6 +1,9 @@
 if (typeof(window) === 'undefined') { var tree = require(require('path').join(__dirname, '..', '..', 'less', 'tree')); }
 
-tree.Quoted = function Quoted(value) { this.value = value };
+tree.Quoted = function Quoted(value, content) {
+    this.value = value;
+    this.content = content;
+};
 tree.Quoted.prototype = {
     toCSS: function () {
         var css = this.value;

lib/less/parser.js

@@ -196,8 +196,8 @@ less.parser = {
                 var str;
                 if (input[i] !== '"' && input[i] !== "'") return;
 
-                if (str = $(/"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'/g)) {
-                    return new(tree.Quoted)(str);
+                if (str = $(/"((?:[^"\\\r\n]|\\.)*)"|'((?:[^'\\\r\n]|\\.)*)'/g)) {
+                    return new(tree.Quoted)(str[0], str[1] || str[2]);
                 }
             },
             keyword: function () {