prefix.patch

diff --git a/lib/lexer.js b/lib/lexer.js
index a9e016a..01a14a1 100644
--- a/lib/lexer.js
+++ b/lib/lexer.js
@@ -486,14 +486,14 @@ Lexer.prototype = {
   },
 
   /**
-   * '@extends' ([^{\n]+)
+   * '@extends'
    */
   
   extends: function() {
     var captures;
-    if (captures = /^@extends?[ \t]*([^\/{\n;]+)/.exec(this.str)) {
+    if (captures = /^@extends?[ \t]*/.exec(this.str)) {
       this.skip(captures);
-      return new Token('extend', captures[1].trim());
+      return new Token('extend');
     }
   },
 
diff --git a/lib/parser.js b/lib/parser.js
index 599b09f..42c15c2 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -887,11 +887,8 @@ Parser.prototype = {
    */
 
   extend: function(){
-    var val = this.expect('extend').val
-      , arr = this.selectorParts();
-
-    arr.unshift(new nodes.Literal(val));
-
+    this.expect('extend');
+    var arr = this.selectorParts();
     return new nodes.Extend(new nodes.Selector(arr));
   },
 
@@ -1271,13 +1268,6 @@ Parser.prototype = {
 
       // Push the selector
       if (isRoot && scope) arr.unshift(new nodes.Literal(scope + ' '));
-
-      arr.forEach(function(part) {
-        if (part.val === '.') {
-          part.val = '.' + this.prefix;
-        }
-      }, this);
-
       if (arr.length) group.push(new nodes.Selector(arr));
     } while (this.accept(',') || this.accept('newline'));
 
@@ -1306,6 +1296,9 @@ Parser.prototype = {
           this.expect('}');
           arr.push(expr);
           break;
+        case this.prefix && '.':
+          arr.push(new nodes.Literal(tok.val + this.prefix));
+          break;
         case 'comment':
           arr.push(new nodes.Literal(tok.val.str));
           break;
diff --git a/lib/visitor/normalizer.js b/lib/visitor/normalizer.js
index c7ce62b..2f58633 100644
--- a/lib/visitor/normalizer.js
+++ b/lib/visitor/normalizer.js
@@ -34,7 +34,6 @@ var Normalizer = module.exports = function Normalizer(root, options) {
   this.stack = [];
   this.extends = {};
   this.map = {};
-  this.prefix = options.prefix || '';
 };
 
 /**
@@ -130,7 +129,6 @@ Normalizer.prototype.visitGroup = function(group){
 
   // map for extension lookup
   selectors.forEach(function(selector){
-    selector = selector.replace(this.prefix, '');
     map[selector] = map[selector] || [];
     map[selector].push(group);
   }, this);