Module:Weld

local weld={}

function weld.up(frame)
	local args = frame.args
	if (args==nil or args[1]==nil) then args = frame:getParent().args end
	local zero,begin,ends = "",'<div style="margin-top:-1px">',"</div>"
	local result, is = zero,false
	for _,t in ipairs(args) do
		if(t~=zero) then
			if(is) then
				result = result .. begin .. t .. ends
			else
				result,is = t,true
			end
		end
	end
	return result
end

return weld