[[!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.