Module:Check aliases

local p = {}

function p.exec(frame) args = frame.args local first = tonumber(args.first) or 1 local last = tonumber(args.last) or 999 local sep = args.sep or "%s*,%s*" local it = mw.text.gsplit(args[1], sep) local i = 1 while i < first do		i = i + 1 it end for alias in it do		if i > last then break end i = i + 1 if not mw.title.new(alias).exists then return "" end end end

return p