class RDoc::Markup::AttributeManager

def convert_html(str, attrs, exclusive = false)
  tags = @html_tags.select { |start, bitmap|
    exclusive == exclusive?(bitmap)
  }.keys.join '|'
  1 while str.gsub!(/<(#{tags})>(.*?)<\/\1>/i) { |orig|
    attr = @html_tags[$1.downcase]
    html_length = $~.match_length(1) + 2 # "<>".length
    seq = NULL * html_length
    attrs.set_attrs($~.begin(2), $~.match_length(2), attr)
    seq + $2 + seq + NULL
  }
end