waylan/Python-Markdown — pull request #93 by fin (2012-04-11 17:50:14+00:00)
Title: Remove `<del>` and `<ins>` from block-level elements list

They are span elements. `` is explicitly mentioned as such in the [markdown syntax document](http://daringfireball.net/projects/markdown/syntax)

This fixes #92 and does not cause any tests to fail.