def to_s(need_convert=true, indent=calc_indent)
rv = tag(indent) do |next_indent|
[
title_element(false, next_indent),
link_element(false, next_indent),
description_element(false, next_indent),
language_element(false, next_indent),
copyright_element(false, next_indent),
managingEditor_element(false, next_indent),
webMaster_element(false, next_indent),
rating_element(false, next_indent),
pubDate_element(false, next_indent),
lastBuildDate_element(false, next_indent),
docs_element(false, next_indent),
cloud_element(false, next_indent),
skipDays_element(false, next_indent),
skipHours_element(false, next_indent),
image_element(false, next_indent),
item_elements(false, next_indent),
textInput_element(false, next_indent),
other_element(false, next_indent),
]
end
rv = convert(rv) if need_convert
rv
end