Fix mixin content includes

scss.inc.php

@@ -687,13 +687,20 @@ protected function compileChild($child, $out) {
 				$this->throwError("Unexpected @content inside of mixin");
 			}
 
-			$this->storeEnv = $content->scope;
+			if(is_object($content)) {
+				$this->storeEnv = $content->scope;
+				if(count($content->children) > 0) {
+					foreach ($content->children as $child) {
+						if($child[0] == "include" || $child[0] == "block") {
+							$this->storeEnv = @$content->parent;
+						}
+						$this->compileChild($child, $out);
+						$this->storeEnv = $content->scope;
+					}
+				}
 
-			foreach ($content->children as $child) {
-				$this->compileChild($child, $out);
+				unset($this->storeEnv);
 			}
-
-			unset($this->storeEnv);
 			break;
 		case "debug":
 			list(,$value, $pos) = $child;

tests/inputs/mixins.scss

@@ -97,3 +97,46 @@ div {
         color: blue;
     }
 }
+
+
+// mixin content (http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#mixin-content)
+@mixin content-simple {
+    div.mixin-content-simple {
+        @content;
+    }
+}
+
+@mixin content-with-arg ( $background ) {
+    div.mixin-content-with-arg {
+        background: $background;
+        @content;
+    }
+}
+
+@include content-simple {
+    color: red;
+}
+
+@include content-with-arg($background: blue) {
+    color: red;
+}
+
+@include content-with-arg($background: purple) { 
+    @include hello_world;
+}
+
+@include content-simple {
+    @include cool(10px, 12px, 21px);
+}
+
+@include content-simple {
+    @include something(orange);
+}
+
+@include content-with-arg($background: purple) { 
+    @include cool(10px, 12px, 21px);
+}
+
+@include content-with-arg($background: purple) { 
+    @include something(orange);
+}

tests/outputs/mixins.css

@@ -44,3 +44,32 @@ div p {
     top: 0; }
     div p .top div {
       color: red; }
+
+div.mixin-content-simple {
+  color: red; }
+
+div.mixin-content-with-arg {
+  background: blue;
+  color: red; }
+
+div.mixin-content-with-arg {
+  background: purple;
+  height: 20px; }
+
+div.mixin-content-simple {
+  height: 43px; }
+
+div.mixin-content-simple {
+  color: orange; }
+  div.mixin-content-simple div {
+    height: 20px; }
+
+div.mixin-content-with-arg {
+  background: purple;
+  height: 43px; }
+
+div.mixin-content-with-arg {
+  background: purple;
+  color: orange; }
+  div.mixin-content-with-arg div {
+    height: 20px; }