Hi, the command \clf_xmlafterdocumentsetup takes three arguments and not two. -implement { name = "xmlafterdocumentsetup", actions = lxml.installsetup, arguments = { 4, "string", "string" } } +implement { name = "xmlafterdocumentsetup", actions = lxml.installsetup, arguments = { 4, "string", "string", "string" } } Wolfgang