Merge pull request #691 from Cerdic/Issue/leafo/510

Issue/leafo/510

Author: robocoder

src/Parser.php

@@ -2430,14 +2430,17 @@ protected function placeholder(&$placeholder)
     {
         if ($this->match(
             $this->utf8
-                ? '([\pL\w\-_]+|#[{][$][\pL\w\-_]+[}])'
-                : '([\w\-_]+|#[{][$][\w\-_]+[}])',
+                ? '([\pL\w\-_]+)'
+                : '([\w\-_]+)',
             $m
         )) {
             $placeholder = $m[1];
 
             return true;
         }
+        if ($this->interpolation($placeholder)) {
+            return true;
+        }
 
         return false;
     }

tests/inputs/extends.scss

@@ -399,4 +399,14 @@ embed.bar {
 
 .header-menu {
   @extend .inline-menu;
-}
+}
+
+$placeholdername: 'myplaceholder';
+%#{$placeholdername} {
+  color: red;
+}
+.myclass {
+  @extend %myplaceholder;
+}
+
+

tests/outputs/extends.css

@@ -169,3 +169,6 @@ div.popup, .prepend div.foo {
 
 .inline-menu:hover > .sub-menu, .header-menu:hover > .sub-menu {
   border-radius: 5px; }
+
+.myclass {
+  color: red; }

tests/outputs_numbered/extends.css

@@ -278,3 +278,9 @@ div.popup, .prepend div.foo {
 /* line 395, inputs/extends.scss */
 
 /* line 400, inputs/extends.scss */
+
+/* line 405, inputs/extends.scss */
+
+.myclass {
+  color: red; }
+/* line 408, inputs/extends.scss */