coreyti/showdown — pull request #63 by nilbus (2013-07-06 21:02:07+00:00)
Title: Fix extension example in the README

var converter = new Showdown.converter({ extensions: 'twitter' });

Since it loops over the value of options.extensions, it ends up looping over each character in the string twitter ['t', 'w', 'i', ...] and fails to load the extension.