twbs/bootstrap — pull request #9057 by claydiffrient (2013-08-04 05:28:38+00:00)
Title: Fix column offsets from being improperly labeled #8310

Using these classes doesn't work. Not really a surprise when looking at the Bootstrap CSS. In issue #8310 @mdo clearly said no to doing this. This brings the documentation in line with what is actually part of the code.