[[!template id=plugin name=hnb author="[[XTaran]]"]]
[[!tag type/format type/slow]]

This plugin allows ikiwiki to process `.hnb` XML files, as created by 
the Hierachical Notebook [hnb](http://hnb.sourceforge.net/). To use it, you need to have 
hnb installed, since it uses the commandline interface of `hnb` program.