Make the rationale clearer.

diff --git a/IkiWiki.pm b/IkiWiki.pm
index cd9c407958e79d971641ce206b8caf64f58a58d1..1dc989b39985acd8b829ff9fd5d56be7ae4d195f 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -1082,6 +1082,8 @@ sub urlto ($$;$) {
 }
 
 sub isselflink ($$) {
+       # Plugins can override this function to support special types
+       # of selflinks.
        my $page=shift;
        my $link=shift;