lib/sass/tree/node.rb in haml-3.0.24 vs lib/sass/tree/node.rb in haml-3.0.25

@@ -313,10 +313,11 @@
       # @param environment [Sass::Environment] The lexical environment containing
       #   variable and mixin values
       # @see #perform
       def perform!(environment)
         self.children = perform_children(Environment.new(environment))
+        self.children.each {|c| check_child! c}
       end
 
       # Non-destructively runs \{#perform} on all children of the current node.
       #
       # @param environment [Sass::Environment] The lexical environment containing
@@ -366,11 +367,9 @@
         case child
         when Tree::MixinDefNode
           "Mixins may only be defined at the root of a document."
         when Tree::ImportNode
           "Import directives may only be used at the root of a document."
-        when Tree::ExtendNode
-          "Extend directives may only be used within rules."
         end
       end
 
       # Converts a node to Sass or SCSS code that will generate it.
       #