comments: document what linkuser does

diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index ea106a90fda800c686cb6a1379408ec2b0853a81..25f1b62f0ee207124069caaaeee0ec6c2c106d9d 100644 (file)
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -107,6 +107,7 @@ sub getcgiuser ($) { # {{{
 } # }}}
 
 # FIXME: logic adapted from recentchanges, should be common code?
+# returns (author URL, pretty-printed version)
 sub linkuser ($) { # {{{
        my $user = shift;
        my $oiduser = eval { IkiWiki::openiduser($user) };