Module:HelloWorld

-- From http://dev.wikia.com/wiki/Lua_templating/Reference_manual#Introduction

local p = {} function p.hello( frame ) return "Hello, world!" end function p.show_frame(frame) local out = {} for k, v in pairs(frame:getParent) do      out[#out+1] = k    end return table.concat(out, ' ') end return p