wg21.link - WG21 redirect service.

Usage:
    wg21.link/nXXXX
    wg21.link/pXXXXrX
        Get paper.

    wg21.link/pXXXX
        Get latest public revision of paper.

    wg21.link/std
    wg21.link/std{11,14,17,20,23}
        Get working draft.

    wg21.link/cwgXXX
    wg21.link/ewgXXX
    wg21.link/lwgXXX
    wg21.link/lewgXXX
    wg21.link/editXXX
        Get issue.

    wg21.link/pXXXX/issue
        Get issue for paper.

    wg21.link/*wgXXX/paper
        Get paper for issue.

    wg21.link/github
    wg21.link/status
    wg21.link/pXXXX/github
    wg21.link/pXXXX/status
    wg21.link/lwgXXXX/github
    wg21.link/lwgXXXX/status
        Get GitHub tracking issue.

    wg21.link/pXXXX.yaml
    wg21.link/pXXXXrX.yaml
    wg21.link/nXXXX.yaml
        Get Pandoc-citeproc Yaml.

    wg21.link/index.json
    wg21.link/index.ndjson
    wg21.link/index.txt
    wg21.link/index.html
    wg21.link/index.yaml
    wg21.link/index.bib
    wg21.link/specref.json
        Get everything.

    wg21.link/
        Get usage.

    wg21.link/<something else>
        Get 404.

Sources:
  - https://www.open-std.org/jtc1/sc22/wg21/docs/papers/{2000..2025}/,
  - https://www.open-std.org/jtc1/sc22/wg21/docs/cwg_{active,defects,closed}.html,
  - https://cplusplus.github.io/EWG/ewg-{active,complete,closed}.html,
  - https://cplusplus.github.io/LWG/lwg-{active,defects,closed}.html,
  - https://issues.isocpp.org/,
  - https://github.com/cplusplus/draft/tree/master/papers,
  - https://github.com/cplusplus/draft issues and pull-requests,
  - the private wiki of the C++ committee, and
  - a few manual additions.

Contact:
  Mara Bos <wg21link@marabos.nl>