* doc/guix.texi (Installing Guix in a Virtual Machine):
Pass "order=d" to '-boot' option.  Use "-drive media=cdrom" for the ISO
image.  Remove paragraph about ordering and the boot menu.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/emacs-xyz.scm (emacs-exwm): Update to 0.23.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* doc/build.scm (syntax-highlighted-html)[build](pair-open/close)
(highlights->sxml*): New procedures.
(syntax-highlight): Use 'highlights->sxml*'.

* guix/scripts/pull.scm (display-news-entry): Dim the commit line.

* guix/colors.scm (coloring-procedure): New procedure.
(%highlight-color): Remove.
(highlight): Define in terms of 'coloring-procedure'.
(dim): New procedure.

* gnu/services/guix.scm: New file.
* gnu/tests/guix.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add both new files.
* doc/guix.texi (Guix Services): New section documenting the Guix Data
Service.

* gnu/packages/web.scm (guix-data-service): New variable.

* gnu/packages/emacs-xyz.scm (emacs-vdiff): Enable tests.

* gnu/packages/emacs-xyz.scm (emacs-helm-lsp): Fix description.

* gnu/packages/emacs-xyz.scm (emacs-cmake-font-lock): New variable.

* gnu/build/linux-boot.scm (mount-root-file-system): Fix typo.

* gnu/build/linux-initrd.scm (write-cpio-archive): Really return OUTPUT on
success, even when compression is disabled.

* gnu/packages/haskell-xyz.scm (ghc-network-2.8, ghc-megaparsec-7): New
variables.
* gnu/packages/idris.scm (idris): Update to 1.3.2.
[source]: Remove patch.
[inputs]: Use ghc-network-2.8 and ghc-megaparsec-7.
* gnu/packages/patches/idris-test-no-node.patch: Delete.
* gnu/local.mk (dist_patch_DATA): Remove it.

* gnu/packages/emacs-xyz.scm (emacs-wttrin): New variable.

* gnu/packages/emacs-xyz.scm (emacs-xterm-color): Update to 1.9.

Package inheritance across modules may cause unbound variable errors at
expansion time because of cyclic dependencies between the modules.

* gnu/packages/game-development.scm (openmw-openscenegraph): Move from here ...
* gnu/packages/graphics.scm (openmw-openscenegraph): ... to here.  Make the
variable public and "hide" the package.

* gnu/packages/emacs-xyz.scm (emacs-el-search): Update to 1.12.6.1-2.07bed84.

* gnu/packages/emacs-xyz.scm (emacs-cl-print): New variable.

* gnu/packages/emacs-xyz.scm (emacs-stream): Update to 2.2.4-1.a3f3da1.

* gnu/packages/patches/p11-kit-jks-timestamps.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.
* gnu/packages/tls.scm (p11-kit): Update to 0.23.17.
[source](patches): Remove.

* gnu/packages/graphics.scm (ilmbase, openexr)[home-page]: Use HTTPS.

* gnu/packages/patches/ilmbase-fix-tests.patch: Adjust for new origin.
* gnu/packages/patches/ilmbase-openexr-pkg-config.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/graphics.scm (ilmbase): Update to 2.4.0.
[source]: Change to GIT-FETCH, as tarballs are no longer provided.  Add new
patch.
[build-system]: Change to CMAKE-BUILD-SYSTEM.
[arguments]: Add phase to enter the correct source directory.
* gnu/packages/graphics.scm (openexr): Update to 2.4.0.
[source]: Inherit from ILMBASE, which comes from the same repository.
[build-system]: Change to CMAKE-BUILD-SYSTEM.
[arguments]: Add phase to enter the correct source directory.
* gnu/packages/gstreamer.scm (gst-plugins-bad)[arguments]: Enable C++11.
* gnu/packages/image-processing.scm (opencv)[arguments]: Likewise.

* gnu/packages/web.scm (varnish): Update to 6.3.0.
[arguments]: Patch /bin/sh in one more file.

* gnu/packages/video.scm (ffmpeg): Update to 4.2.1.

* gnu/packages/regex.scm (re2): Update to 2019-09-01.

* gnu/packages/networking.scm (openvswitch): Update to 2.12.0.

* gnu/packages/pretty-print.scm (fmt): Update to 6.0.0.

* gnu/packages/cluster.scm (keepalived)[home-page]: Use HTTPS.

* gnu/packages/cluster.scm (keepalived): Update to 2.0.18.

* gnu/packages/cluster.scm (keepalived)[arguments]: Copy software_design.png
from the correct place.

* gnu/packages/emacs-xyz.scm (emacs-flycheck): Update to 31-1.0006a59.

* gnu/packages/emacs-xyz.scm (emacs-markdown-mode)[source]: Use GIT-FETCH and GIT-FILE-NAME.

* gnu/packages/game-development.scm (openmw)[inputs]: Replace openscenegraph
  with openmw-openscenegraph.

* gnu/packages/graphics.scm (openscenegraph): Update to 3.6.4.
[inputs]: Add libjpeg.

* gnu/packages/gl.scm (mojoshader-with-viewport-flip): New variable.

* gnu/packages/gl.scm (mojoshader)[arguments]: Build with FLIP_VIEWPORT and
  DEPTH_CLIPPING.

* gnu/packages/emacs-xyz.scm (emacs-stream): Enable tests.

* gnu/packages/emacs-xyz.scm (emacs-evil-surround): Enable tests.

* gnu/packages/plotutils.scm (asymptote): Update to 2.53.

* gnu/packages/emacs-xyz.scm (emacs-rainbow-delimiters): Enable tests.
[source] Use GIT-FETCH and GIT-FILE-NAME.