applications =
  element applications {
    attlist.applications, preamble, introduction, category+, postamble
  }
# caption    Descriptive caption
attlist.applications &= attribute caption { text }
# Contains applications of a specific named
# category
category = element category { attlist.category, application+ }
# name       Name of this category. Pick a descriptive
# name with multiple words, with the first word
# capitalized.
attlist.category &= attribute name { text }
# Contains information about an application.
application = element application { attlist.application, text }
# name       Name of this application. Pick a short single
# word hyphenated if necessary, all lower
# case.
attlist.application &= attribute name { text }
# holds doc preamble info
preamble = element preamble { attlist.preamble, empty }
# title      Title
attlist.preamble &= attribute title { text }
# Contains introductory prose
introduction = element introduction { attlist.introduction, any }
attlist.introduction &= empty
# Contains concluding text
postamble = element postamble { attlist.postamble, any }
attlist.postamble &= empty
start = applications
any =
  (element * {
     attribute * { text }*,
     any
   }
   | text)*