Changes
Corrected variable name.
local sep = args.separator or " "
args.suffix = args.suffix or ""
local t0 = onlyinprint(frame, args.label .. sep .. args. id)
local t1 = hideinprint(frame, "[[" .. args.link .. "|" .. args.label .. "]]" .. sep .. "[" .. args.prefix .. "{{urlencode:" .. args.id .. "}}" .. args.suffix .. " " .. nowiki(frame, args.id) .. "]")
return t0 .. t1