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 .. "File:CDel_" .. x .. ".png" -- write file for this parameter

end

end

body = body .. "" -- finish output string

return body -- return result

end

return p