* [Discount](http://www.pell.portland.or.us/~orc/Code/discount/),
via the [[!cpan Text::Markdown::Discount]] perl module.
+ This implementation is considered to be the default and is strongly
+ recommended, but it is not mandatory because it requires an external
+ C library.
* The [[!cpan Text::Markdown]] perl module.
* The [original version of markdown](http://daringfireball.net/projects/markdown/).
[multimarkdown](http://fletcherpenney.net/MultiMarkdown/). Multimarkdown is
not enabled by default, but can be turned on via the `multimarkdown` option
in the setup file. Note that multimarkdown's metadata and wikilinks
-features are disabled when it's used with ikiwiki.
+features are disabled when it's used with ikiwiki. Also note that if the
+`multimarkdown` option is enabled, it takes priority over Discount, which
+might cause formatting that is understood by Discount to be ignored.