A link like \[this](mailto:foo@bar.org) will not be converted correctly to a mailto link in the rss/atom feeds, but an absolute link instead. See e.g. the logitech post on http://madduck.net/blog/feeds/planet-lca2008/index.rss
This still happens for auto-generated mailto: links that are [garbled](http://daringfireball.net/projects/markdown/syntax#autolink) by Markdown, so that