I like configuring a profile link, possibly to external pages. I want implement suggestion from above, but about using interwiki links a question: how do i integrate interwiki stuff into this, without code duplication? and i guess running renderer isn't that efficient to use it here..
duplicate:
FS#1558
code ref:
https://github.com/splitbrain/dokuwiki/blob/master/inc/template.php#L866