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-rw-r--r--lib/PublicInbox/WwwAttach.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/PublicInbox/WwwAttach.pm b/lib/PublicInbox/WwwAttach.pm
index 774b38ae..b1009907 100644
--- a/lib/PublicInbox/WwwAttach.pm
+++ b/lib/PublicInbox/WwwAttach.pm
@@ -11,9 +11,9 @@ use PublicInbox::MIME;
 use PublicInbox::MsgIter;
 
 sub get_attach_i { # ->each_part callback
-        my ($part, $depth, @idx) = @{$_[0]};
+        my ($part, $depth, $idx) = @{$_[0]};
         my $res = $_[1];
-        return if join('.', @idx) ne $res->[3]; # $idx
+        return if $idx ne $res->[3]; # [0-9]+(?:\.[0-9]+)+
         $res->[0] = 200;
         my $ct = $part->content_type;
         $ct = parse_content_type($ct) if $ct;