--- /dev/null
+This plugin allows ikiwiki to process `.otl` outline files, as created by
+[vimoutliner](http://www.vimoutliner.org/). To use it, you need to have
+vimoutliner installed, since it uses the `otl2html` program.
+
+This plugin is included in ikiwiki, but is not enabled by default.
+
+[[tag type/format]]