alright, really fixing the comments this time

lib/coffee_script/nodes.js

@@ -436,9 +436,7 @@
       return this;
     },
     compile_node: function compile_node(o) {
-      var delimiter;
-      delimiter = this.idt() + '//';
-      return delimiter + this.lines.join(delimiter);
+      return this.idt() + '//' + this.lines.join('\n' + this.idt() + '//');
     }
   }));
   statement(CommentNode);

src/nodes.coffee

@@ -310,8 +310,7 @@ CommentNode: exports.CommentNode: inherit Node, {
     this
 
   compile_node: (o) ->
-    delimiter: @idt() + '//'
-    delimiter + @lines.join(delimiter)
+    @idt() + '//' + @lines.join('\n' + @idt() + '//')
 
 }