* Build-Depends: Drop versioned constraint on ruby-liquid.
* jekyll: Drop versioned constraint on ruby-classifier-reborn, ruby-coderay, ruby-mime-types, ruby-pygments.rb, ruby-rdiscount, ruby-redcarpet, ruby-tomlrb and ruby-yajl in Depends.
* jekyll: Drop versioned constraint on ruby-jekyll-coffeescript in Suggests.

Changes-By: deb-scrub-obsolete

  * d/watch: Update and fix watch file.

  * d/lintian-brush.conf: Set compat-release to oldstable to prevent dh
    bumps.

This reverts commit e72712aa.

Changes-By: lintian-brush
Fixes: lintian: package-uses-old-debhelper-compat-version
See-also: https://lintian.debian.org/tags/package-uses-old-debhelper-compat-version.html

* spare-manual-page


Changes-By: lintian-brush
Fixes: lintian: unused-override
See-also: https://lintian.debian.org/tags/unused-override.html

Changes-By: lintian-brush
Fixes: lintian: out-of-date-standards-version
See-also: https://lintian.debian.org/tags/out-of-date-standards-version.html

  * d/jekyll.lintian-overrides: Ignore spare-manual-page hint.

  * debian/jekyll.manpages: Install all new manual pages.
  * debian/jekyll.1: Rename to debian/man/jekyll.1 and split out
    debian/man/jekyll-build.1, debian/man/jekyll-clean.1,
    debian/man/jekyll-doctor.1, debian/man/jekyll-help.1,
    debian/man/jekyll-new-theme.1, debian/man/jekyll-new.1 and
    debian/man/jekyll-serve.1.
  * debian/man/jekyll-b.1, debian/man/jekyll-hyde.1, debian/man/jekyll-s.1,
    debian/man/jekyll-server.1: Add symlinks to their respective commands.

Second try.

  * d/tests/control: Name tests.

  * d/patches/*.patch: Add missing Forwarded headers.

  * d/patches/0028-Fix-test-for-rouge-3.22.patch: Add patch.
    - Relax test to work with ruby-rouge 3.22 too.
  * d/patches/series: Enable new patch.

  * d/clean: Add missing slash for directories.

  * d/patches/0027-Fix-test-for-pygments-2.7.1.patch: Add patch.
    - Build with pygments 2.7.1.
  * d/patches/series: Enable new patch.

  * d/clean: Add file and remove override target in d/rules.
  * d/rules (override_dh_auto_clean): Remove target.

  * d/rules: Use gem installation layout.

  * d/source/lintian-overrides: Override
    debian-watch-does-not-check-gpg-signature and
    package-uses-old-debhelper-compat-version.

  * d/patches/*.patch: Refresh and add Forwarded field.

Update to upstream version '3.9.0+dfsg'
with Debian dir 512017f4e1bb01fa7a962c3a310eda9d9dab5d6d

  * d/ruby-tests.rake: Enable plugin manager tests.
  * d/patches/0025-skip-plugin-tests-requiring-bundler.patch: Add patch.
    - Skip plugin manager test relying on bundler and upstream's Gemfile.

  * d/patches/0024-use-platforms-in-gemfile.patch: Add patch.
    - Don't use :install_if in default Gemfile and use :platforms instead (see
      https://lists.debian.org/debian-ruby/2020/04/msg00062.html).
  * d/patches/series: Adjust accordingly.