silence some warnings
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@ -115,6 +115,7 @@ A scalar reference of HTML to be processed.
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sub process {
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my $session = shift;
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my $content = shift;
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return '' if !defined $content;
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our $macrodepth ||= 0;
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local $macrodepth = $macrodepth + 1;
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${ $content } =~ s{$macro_re}{
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