Use $a and $b for SortSpec cmp callbacks

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

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 4992617d02376c15f822d586550c04c397e4795f..553f9345587889cc779c27679cc5e14ddccf65e2 100644 (file)
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -374,25 +374,23 @@ sub match_copyright ($$;@) {
 package IkiWiki::SortSpec;
 
 sub cmp_meta {
-       my $left = $_[0];
-       my $right = $_[1];
-       my $meta = $_[2];
+       my $meta = $_[0];
        error(gettext("sort=meta requires a parameter")) unless defined $meta;
 
        if ($meta eq 'updated' || $meta eq 'date') {
-               return IkiWiki::Plugin::meta::get_sort_key($left, $meta)
+               return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
                        <=>
-                       IkiWiki::Plugin::meta::get_sort_key($right, $meta);
+                       IkiWiki::Plugin::meta::get_sort_key($b, $meta);
        }
 
-       return IkiWiki::Plugin::meta::get_sort_key($left, $meta)
+       return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
                cmp
-               IkiWiki::Plugin::meta::get_sort_key($right, $meta);
+               IkiWiki::Plugin::meta::get_sort_key($b, $meta);
 }
 
 # A prototype of how sort=title could behave in 4.0 or something
 sub cmp_meta_title {
-       $_[2] = 'title';
+       $_[0] = 'title';
        return cmp_meta(@_);
 }