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local function starts_with(start, str)
return str:sub(1, #start) == start
end
local function escape_xml_arg(arg)
amps = arg:gsub('&', '&')
amps_quotes = amps:gsub('"', '"')
amps_quotes_lt = amps_quotes:gsub('<', '<')
return amps_quotes_lt
end
function Link(elem)
has_no_content = #elem.content == 0
targets_anchor = starts_with('#', elem.target)
has_no_attributes = elem.title == '' and elem.identifier == '' and #elem.classes == 0 and #elem.attributes == 0
if has_no_content and targets_anchor and has_no_attributes then
-- xref expects idref without the pound-sign
target_without_hash = elem.target:sub(2, #elem.target)
return pandoc.RawInline('docbook', '<xref linkend="' .. escape_xml_arg(target_without_hash) .. '" />')
end
end
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