cloudhead/less.js — Issue #660: IE Filter Alpha Opacity in a method is throwing an error
Author: evanlarsen
Created: 2012-02-24 19:28:40+00:00
State: open

I created a post on StackOverflow:
http://stackoverflow.com/questions/9436776/lesscss-method-with-ie-filter-alpha-opacity-css

Please refer to that for my code.