diff --git a/lib/marked.js b/lib/marked.js
index dbaa54a6..307d068d 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -49,7 +49,7 @@ block.lexer = function(str) {
            .replace(/\t/g, '    ');
 
   // experimental
-  //str = str.replace(/(^|\n) +(\n|$)/g, '$1$2');
+  //str = str.replace(/^ +$/gm, '');
 
   // grab link definitons
   str = str.replace(