-- Function allowing for consistent treatment of boolean-like wikitext input.
-- It works similarly to the template {{yesno}}.
return function (val, default)
-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
-- following line.
val = type(val) == 'string' and val:lower() or val
if val == nil then
return nil
elseif val == true
or val == 'yes'
or val == 'y'
or val == 'true'
or val == 't'
or val == 'on'
or val == 'بله'
or val == 'آره'
or val == 'درست'
or val == 'صحیح'
or val == 'روشن'
or tonumber(val) == 1
then
return true
elseif val == false
or val == 'no'
or val == 'n'
or val == 'false'
or val == 'f'
or val == 'off'
or val == 'خیر'
or val == 'نه'
or val == 'غلط'
or val == 'اشتباه'
or val == 'خاموش'
or tonumber(val) == 0
then
return false
else
return default
end
end
