schema;game:
  mapping: &id002
    description:
      desc: A sort description
      required: true
      type: str
    development:
      enum:
      - complete
      - very active
      - active
      - sporadic
      - halted
      type: str
    license:
      required: true
      sequence:
      - enum: &id001
        - Custom
        - Multiple
        - PD
        - As-is
        - AFL3
        - AGPL3
        - Apache
        - Artistic
        - BSD
        - BSD2
        - BSD4
        - bzip2
        - CC0
        - CC-BY
        - CC-BY-NC
        - CC-BY-NC-ND
        - CC-BY-NC-SA
        - CC-BY-SA
        - GPL1
        - GPL2
        - GPL3
        - IJG
        - ISC
        - JRL
        - LGPL2
        - LGPL3
        - Libpng
        - MAME
        - MIT
        - MPL
        - MS-PL
        - NGPL
        - OFL
        - WTFPL
        - Zlib
        include: licenses
        type: str
        unique: true
      type: seq
    name:
      desc: Name of the tool/driver
      required: true
      type: str
    repo:
      desc: URL where the source code can be found; e.g. a GitHub project page
      required: true
      type: str
    status:
      enum:
      - usable
      - semi-usable
      - unusable
      type: str
    tags:
      sequence:
      - type: str
      type: seq
    url:
      desc: URL of the game's main page (if any; should be different from repo)
      type: str
  type: map
schema;licenses:
  enum: *id001
  type: str
sequence:
- include: game
  mapping: *id002
  type: map
type: seq