session "Isabelle_DOF" = "Functional-Automata" + 
  options [document = pdf, document_output = "output", document_build = dof]
  sessions
    "Regular-Sets"
  directories 
    "DOF"
    "ontologies"
    "ontologies/CENELEC_50128"
    "ontologies/Conceptual"
    "ontologies/scholarly_paper"
    "ontologies/small_math"
    "ontologies/technical_report"
  theories
    "DOF/Isa_DOF"
    "ontologies/ontologies"

