## Uses a real RCS
Rather than implement its own system for storing page histories etc,
-ikiwiki uses a real Revision Control System. This isn't because we're
+ikiwiki uses a real Revision Control System. This isn't (just) because we're
lazy, it's because a real RCS is a good thing to have, and there are
advantages to using one that are not possible with a standard wiki.
Ikiwiki's backend RCS support is also pluggable, so support for new
revision control systems can be added to ikiwiki.
+The standard language for ikiwiki plugins is perl, but ikiwiki also supports
+[[plugins/write/external]] plugins: Standalone programs that can be written in
+any language and communicate with ikiwiki using XML RPC.
+
## [[todo/utf8]]
After rather a lot of fiddling, we think that ikiwiki correctly and fully