Things from MoinMoinTodo that got implemented.

Strip closing punctuation from URLs, so that e.g. (http://www.python.org) is recognized properly. Closing punctuation is characters like ":", ",", ".", ")", "?", "!". These are legal in URLs, but if they occur at the very end, you want to exclude them. The same if true for InterWiki links, like InterWiki.
Smileys
PageCount macro: 7554
Headlines:

H1 ¶

H2 ¶

Rejoice,

table	markup
is done

Check for a (configurable) max size in bytes of the RecentChanges page while building it

Inline code sections (triple-brace open and close on the same line, ~cpp like this or ~cpp ThisFunctionWhichIsNotaWikiName())

SGML-Entities were replaced when saving them a second time, i.e. & #160; without the space had a problem.

SpamSpamSpam appeared 3 times in WordIndex. Too much Spam!

Added a means to add meta tags to the page header, like:

~cpp 
<META HTTP-EQUIV="Content-Type" CONTENT="text/html;charset=euc-jp">
<META NAME="ROBOTS" CONTENT="NOINDEX,NOFOLLOW">