Adds pseudo-monikers for the "XHTML Friends Network". You can
simply mix the well-known prefixes like an InterWiki+ moniker
before any page name.

This will translate into the typical
<a href="?id=UserName+" rel="met friend ..."> then.
prev << "interwiki/editable"
next >> "appearance/ tweaks"

You cannot modify the README.plugins file, but anyhow any ideas or suggestion should as usually get filed on BugReports, UserSuggestions or even better the README.plugins.Discussion.