  * Avoid privacy breach:
    + slidy output links to <https://www.w3.org/Talks/Tools/Slidy2>.
  * upgrade to 2.10.1
    when needed Haskell library is in Debian:
    + commonmark            >= 0.1.0.1  && < 0.2
    + commonmark-extensions >= 0.2      && < 0.3
    + commonmark-pandoc     >= 0.2      && < 0.3
  * upgrade to 2.11
    when needed Haskell libraries are in Debian:
    + commonmark            >= 0.1.0.2  && < 0.2
    + pandoc-types          >= 1.22     && < 1.23
    + skylighting           >= 0.10     && < 0.11
  * upgrade to 2.11.0.1
    when needed Haskell library is in Debian:
    + citeproc              >= 0.1.0.1  && < 0.2
  * upgrade to 2.11.0.3
    when needed Haskell library is in Debian:
    + citeproc              >= 0.1.0.2  && < 0.2
  * upgrade to 2.11.0.4
    when needed Haskell library is in Debian:
    + citeproc              >= 0.1.0.3  && < 0.2
  * upgrade to 2.11.1
    when needed Haskell libraries are in Debian:
    + commonmark            >= 0.1.1    && < 0.2
    + commonmark-extensions >= 0.2.0.2  && < 0.3
  * upgrade to 2.11.2
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.1.1.1  && < 0.2
    + commonmark            >= 0.1.1.2  && < 0.2
    + commonmark-extensions >= 0.2.0.3  && < 0.3
  * upgrade to 2.11.3
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.2.0.1  && < 0.3
    + skylighting           >= 0.10.1   && < 0.11
  * upgrade to 2.11.3.1
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.3.0.1  && < 0.4
    + doctemplates          >= 0.9      && < 0.10
    + skylighting           >= 0.10.2   && < 0.11
  * upgrade to 2.11.4
    when needed Haskell librares are in Debian:
    + citeproc              >= 0.3.0.3  && < 0.4
    + texmath               >= 0.12.1   && < 0.12.3
  * upgrade to 2.12
    when needed Haskell libraries are in Debian:
    + commonmark            >= 0.1.1.7  && < 0.2
    + hslua-module-path     >= 0.1.0    && < 0.2.0
    + jira-wiki-markup      >= 1.3.3    && < 1.4
    + skylighting           >= 0.10.4   && < 0.11
  * upgrade to 2.12.1
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.3.0.9  && < 0.3.1
    + doclayout             >= 0.3.0.1  && < 0.4
    + jira-wiki-markup      >= 1.3.4    && < 1.4
    + skylighting           >= 0.10.4.1 && < 0.10.5
    + texmath               >= 0.12.2   && < 0.12.3
  * upgrade to 2.13
    when needed Haskell library is in Debian:
    + skylighting           >= 0.10.5   && < 0.10.6
  * upgrade to 2.14
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.4      && < 0.4.1
    + skylighting           >= 0.10.5.1 && < 0.10.6
    + texmath               >= 0.12.3   && < 0.12.4
    + unicode-collation     >= 0.1.1    && < 0.2
    + xml-conduit           >= 1.9.1.1  && < 1.10
  * upgrade to 2.14.0.1
    when needed Haskell libraries are in Debian:
    + commonmark            >= 0.2      && < 0.3
    + commonmark-extensions >= 0.2.1.2  && < 0.3
    + commonmark-pandoc     >= 0.2.1    && < 0.3
    + haddock-library       >= 1.10     && < 1.11
    + jira-wiki-markup      >= 1.4      && < 1.5
  * upgrade to 2.14.0.2
    when needed Haskell library is in Debian:
    + citeproc              >= 0.4.0.1  && < 0.4.1
  * upgrade to 2.14.0.3
    when needed Haskell libraries are in Debian:
    + commonmark            >= 0.2.1    && < 0.3
    + skylighting           >= 0.10.5.2 && < 0.10.6
  * upgrade to 2.14.1
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.4.1    && < 0.4.2
    + doctemplates          >= 0.10     && < 0.11
    + commonmark-pandoc     >= 0.2.1.1  && < 0.3
    + skylighting           >= 0.11     && < 0.12
  * upgrade to 2.15
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.6      && < 0.7
    + commonmark            >= 0.2.1.1  && < 0.3
    + commonmark-extensions >= 0.2.2    && < 0.3
    + doclayout             >= 0.3.1.1  && < 0.4
    + hslua                 >= 2.0      && < 2.1
    + hslua-marshalling     >= 2.0      && < 2.1
    + hslua-module-path     >= 1.0      && < 1.1
    + hslua-module-system   >= 1.0      && < 1.1
    + hslua-module-text     >= 1.0      && < 1.1
    + hslua-module-version  >= 1.0      && < 1.1
    + pandoc-types          >= 1.22.1   && < 1.23
    + skylighting           >= 0.12     && < 0.13
    + texmath               >= 0.12.3.1 && < 0.12.4
    + texmath               >= 0.12.3.2 && < 0.12.4
  * upgrade to 2.16.1
    when needed Haskell libraries are in Debian:
    + aeson-pretty          >= 0.8.9    && < 0.9
    + ipynb                 >= 0.1.0.2  && < 0.2
    + skylighting           >= 0.12.1   && < 0.13
  * upgrade to 2.16.2
    when needed Haskell libraries are in Debian:
    + hslua                 >= 2.0.1    && < 2.1
    + hslua-marshalling     >= 2.0.1    && < 2.1
    + lpeg                  >= 1.0.1    && < 1.1
  * upgrade to 2.17
    when needed Haskell libraries are in Debian:
    + citeproc              >= 0.6.0.1  && < 0.7
    + commonmark-extensions >= 0.2.3    && < 0.3
    + hslua-aeson           >= 2.0.1    && < 2.1
    + ipynb                 >= 0.2      && < 0.3
    + pandoc-lua-marshal    >= 0.1.3    && < 0.2
    + texmath               >= 0.12.4   && < 0.12.5
  * upgrade to 2.17.0.1
    when needed Haskell libraries are in Debian:
    + commonmark-pandoc     >= 0.2.1.2  && < 0.3
    + pandoc-lua-marshal    >= 0.1.3.1  && < 0.2
  * upgrade to 2.17.1.1
    when needed Haskell libraries are in Debian:
    + hslua                 >= 2.1      && < 2.2
    + hslua-aeson           >= 2.1      && < 2.2
    + hslua-marshalling     >= 2.1      && < 2.2
    + skylighting           >= 0.12.2   && < 0.13
