twitter/bootstrap — pull request #4146 by etiennetremel (2012-07-23 02:38:03+00:00)
Title: IE8 fix for image width

When images are at 100%, height is not adjusted correctly. The code "width: auto\9;" fixed it.

The problem appear when the default width and height is set in the image tag:

Here is the picture to explain the problem: http://i50.tinypic.com/mbqt8l.jpg