پودمان:Yesno/آزمایشی

-- Function allowing for consistent treatment of boolean-like wikitext input.

return function (val, default)
	val = type(val) == 'string' and mw.ustring.lower(val) or val
	if val == nil then
		return nil
	elseif val == true
		or val == 'sí'
		or val == 's'
		or val == 'yes'
		or val == 'y'
		or val == 'true'
		or val == 't'
		or tonumber(val) == 1
	then
		return true
	elseif val == false
		or val == 'no'
		or val == 'n'
		or val == 'false'
		or val == 'f'
		or tonumber(val) == 0
	then
		return false
	else
		return default
	end
end