fix targetpage replacement to support 3 argument form

Oddly, this hadn't caused any visible breakage. Possibly inline,
which is the only thing to use targetpage, resolves the function
to the "real" one before po gets loaded?

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 0ea35b21c79a38fa26e563e10c4cdb98e5ff5107..9ccc79268b7564a159815da059e6de6adaba8439 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -624,20 +624,24 @@ sub mybeautify_urlpath ($) {
        return $res;
 }
 
-sub mytargetpage ($$) {
+sub mytargetpage ($$;$) {
        my $page=shift;
        my $ext=shift;
+       my $filename=shift;
 
        if (istranslation($page) || istranslatable($page)) {
                my ($masterpage, $lang) = (masterpage($page), lang($page));
-               if (! $config{usedirs} || $masterpage eq 'index') {
+               if (defined $filename) {
+                       return $masterpage . "/" . $filename . "." . $lang . "." . $ext;
+               }
+               elsif (! $config{usedirs} || $masterpage eq 'index') {
                        return $masterpage . "." . $lang . "." . $ext;
                }
                else {
                        return $masterpage . "/index." . $lang . "." . $ext;
                }
        }
-       return $origsubs{'targetpage'}->($page, $ext);
+       return $origsubs{'targetpage'}->($page, $ext, $filename);
 }
 
 sub myurlto ($;$$) {