namespace a = "http://relaxng.org/ns/compatibility/annotations/1.0"

projects = element projects { attlist.projects, project* }
attlist.projects &= empty
# A project (identified by email address)
project =
  element project {
    attlist.project, email, name, url, description, subproject*, member*
  }
attlist.project &= empty
# Contact e-mail address of a project or a project member
email = element email { attlist.email, text }
attlist.email &= empty
# Name of a project or a project member
name = element name { attlist.name, text }
attlist.name &= empty
# URL of the project homepage
url = element url { attlist.url, text }
attlist.url &= empty
# Description of the project
description = element description { attlist.description, text }
attlist.description &= empty
# Project member
member = element member { attlist.member, email, name, role }
# is-lead="1" indicates that the member is the project's lead
attlist.member &=
  [ a:defaultValue = "0" ] attribute is-lead { "0" | "1" }?
# Project member role
role = element role { attlist.role, text }
attlist.role &= empty
# Subproject of a project
subproject = element subproject { attlist.subproject, text }
# inherit-members="1" indicates that the project inherits members
# from the subproject

# ref="" references the subproject by the contact e-mail address
attlist.subproject &=
  [ a:defaultValue = "0" ] attribute inherit-members { "0" | "1" }?,
  attribute ref { text }
start = projects