Module:Qhm

local p = {}

function p.main(frame)
	local out = mw.ustring.gsub(frame:getParent().args[1] or "","%[%[ *([%?-]) *%]%]","%1")
	out = mw.ustring.gsub(out,"%[%[ *[%?-] *| *(.-) *%]%]","%1")
	return out
end

return p