Merge branch 'feature/emacs-26.3'v1.0.0

Creating a merge commit in order to create a 1.0.0 tag.

Note that this merge has breaking changes, as described in the NEWS
section.

* feature/emacs-26.3:
  autobuild: Recognize NetBSD and install packages via pkgin
  Bump the minimum Emacs version to 26.3! 🎉🤞
  Extend docker testing framework to test against Emacs versions
  Update and cleanup the Install section
  Make sure pkg-config is correctly set in autobuild
  Add support for Alpine Linux to autobuild
  Render crisp images for HiDPI screens by default
  Remove Emacs 24.4 guards for cua-mode
  Remove compatibility function for image-mode-winprops
  Remove pdf-util-window-pixel-width, fallback to window-body-width
  Remove macro / function re-definitions
  Remove bugfix for imenu in Emacs 24.3 and below
  Remove guards in `pdf-virtual` tests and code.
  Explicitly declare documentation files as Org files
  Add a byteclean target in the Makefile

1 files changed, 18 insertions, 3 deletions

diff --git a/server/test/docker/lib/run-tests b/server/test/docker/lib/run-tests
index 43fe5e5..31887bf 100755
--- a/server/test/docker/lib/run-tests
+++ b/server/test/docker/lib/run-tests
@@ -2,8 +2,23 @@
 
 PATH="$(dirname "$0")":$PATH
 
-set -e
+run_tests_exit_success()
+{
+    echo "==============================="
+    echo "   Elisp Tests succeeded. :O)  "
+    echo "==============================="
+    exit 0
+}
 
-yes-or-enter | ./autobuild -i /bin
-yes-or-enter | ./autobuild -i /usr/bin | \
+set -e
+# Check that install completes successfully
+yes-or-enter | ./server/autobuild -i /bin
+# Check that re-install skips package installation
+yes-or-enter | ./server/autobuild -i /usr/bin | \
     grep -q "Skipping package installation (already installed)"
+# Check that lisp tests run correctly, if emacs is installed and available on PATH
+echo
+if which emacs > /dev/null 2> /dev/null; then
+    echo "Emacs found installed! Running elisp tests"
+    make test && run_tests_exit_success
+fi