sstephenson/prototype — pull request #70 by rydenius (2012-09-27 12:18:36+00:00)
Title: Fix for #1339, setOpacity IE regression in 1.7.1

This commit fixes a problem introduced in prototype.js 1.7.1 that makes it impossible to set opacity on an element before adding it to the DOM tree. Includes relevant test case.

https://prototype.lighthouseapp.com/projects/8886/tickets/1339-ie9-error-in-haslayout_ie