Adding a failing test for empty whitespace lines.

git-svn-id: svn://hamptoncatlin.com/haml/branches/edge@107 7063305b-7217-0410-af8c-cdc13e5119b9

test/templates/standard.haml

@@ -28,6 +28,8 @@
       - foo << " evaluate"
       = foo + " but now it should!"
       -# Woah crap a comment!
+
+    -# That was a line that shouldn't close everything.
     %ul.really.cool
       - ('a'..'f').each do |a|
         %li= a