clarify error

[ikiwiki.git] / IkiWiki / Plugin / parentlinks.pm

diff --git a/IkiWiki/Plugin/parentlinks.pm b/IkiWiki/Plugin/parentlinks.pm
index 1ee69cbff4901695117e1d335f106d1dcb044367..e678a057d2bdf9a03aa741f8bd019f39e8667bca 100644 (file)
--- a/IkiWiki/Plugin/parentlinks.pm
+++ b/IkiWiki/Plugin/parentlinks.pm
@@ -55,8 +55,11 @@ sub pagetemplate (@) {
         my $page=$params{page};
         my $template=$params{template};
 
-       if ($template->query(name => "parentlinks")) {
-               $template->param(parentlinks => [parentlinks($page)]);
+       if ($template->query(name => "parentlinks") ||
+          $template->query(name => "has_parentlinks")) {
+               my @links=parentlinks($page);
+               $template->param(parentlinks => \@links);
+               $template->param(has_parentlinks => (@links > 0));
        }
 }