[nongnu] elpa/pdf-tools updated (d6980bc327 -> 1885cefc24)

[ELPA Syncer]

elpasync pushed a change to branch elpa/pdf-tools.

      from  d6980bc327 Enable testing against MacOS in CI/CD!
       new  37b4c4fcec Add a byteclean target in the Makefile
       new  710fe66dc4 Explicitly declare documentation files as Org files
       new  365d2d8e8e Remove guards in `pdf-virtual` tests and code.
       new  5563ac9114 Remove bugfix for imenu in Emacs 24.3 and below
       new  ce5ed3412d Remove macro / function re-definitions
       new  3af6141926 Remove pdf-util-window-pixel-width, fallback to 
window-body-width
       new  05c42596a2 Remove compatibility function for image-mode-winprops
       new  321e19ed59 Remove Emacs 24.4 guards for cua-mode
       new  1f91ba8894 Render crisp images for HiDPI screens by default
       new  19801defb8 Add support for Alpine Linux to autobuild
       new  bc7c159c48 Make sure pkg-config is correctly set in autobuild
       new  e10d9cedad Update and cleanup the Install section
       new  7a51b38310 Extend docker testing framework to test against Emacs 
versions
       new  96703b2bb5 Bump the minimum Emacs version to 26.3! 🎉🤞
       new  997467ad3b autobuild: Recognize NetBSD and install packages via 
pkgin
       new  1885cefc24 Merge branch 'feature/emacs-26.3'


Summary of changes:
 .circleci/config.yml                               |   2 +-
 Cask                                               |   2 -
 Makefile                                           |   8 +-
 NEWS                                               |  20 +-
 README.org                                         | 403 ++++++++-------------
 TODO                                               |  26 --
 TODO.org                                           |  21 ++
 lisp/pdf-cache.el                                  |   6 +-
 lisp/pdf-info.el                                   |   4 +-
 lisp/pdf-outline.el                                |  17 -
 lisp/pdf-tools.el                                  |   4 +-
 lisp/pdf-util.el                                   | 112 +-----
 lisp/pdf-view.el                                   |  37 +-
 lisp/pdf-virtual.el                                |   6 -
 server/autobuild                                   |  42 ++-
 server/test/.gitignore                             |   1 +
 server/test/Makefile                               |   6 +-
 server/test/docker/lib/run-tests                   |  21 +-
 server/test/docker/templates/Dockerfile.common.in  |   6 +-
 ...bian-9.Dockerfile.in => emacs-26.Dockerfile.in} |   3 +-
 ...bian-9.Dockerfile.in => emacs-27.Dockerfile.in} |   3 +-
 ...bian-9.Dockerfile.in => emacs-28.Dockerfile.in} |   3 +-
 ...bian-9.Dockerfile.in => emacs-29.Dockerfile.in} |   3 +-
 test/pdf-virtual-test.el                           | 199 +++++-----
 24 files changed, 402 insertions(+), 553 deletions(-)
 delete mode 100644 TODO
 create mode 100644 TODO.org
 create mode 100644 server/test/.gitignore
 copy server/test/docker/templates/{debian-9.Dockerfile.in => 
emacs-26.Dockerfile.in} (82%)
 copy server/test/docker/templates/{debian-9.Dockerfile.in => 
emacs-27.Dockerfile.in} (82%)
 copy server/test/docker/templates/{debian-9.Dockerfile.in => 
emacs-28.Dockerfile.in} (82%)
 copy server/test/docker/templates/{debian-9.Dockerfile.in => 
emacs-29.Dockerfile.in} (82%)