Module:Coxeter–Dynkin diagram

-- module to turn a parameter list into a list of Coxeter–Dynkin diagram images. -- See the template documentation or any example for how it is used and works. local p = {}

function p.CDD(frame) -- For calling from #invoke. local pframe = frame:getParent local args = pframe.args return p._CDD(args) end function p._CDD(args) -- For calling from other Lua modules. local body =' '        -- create and start the output string for v, x in ipairs(args) do                               -- process params, ignoring any names if (x ~= '') then					-- check for null/empty names body = body .. ""  -- write file for this parameter end end body = body .. " "                                  -- finish output string return body                                               -- return result end

return p