Adding upstream version 2:8.2.2434.upstream/2%8.2.2434upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 848 insertions, 0 deletions

diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..02d6986
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,203 @@
+# Lines starting with '#' are comments.
+# Each line is a file pattern followed by one or more owners.
+# You can use github users with @user or email addresses
+
+# These owners will be the default owners for everything in the repo.
+#*       @brammool
+
+# Order is important. The last matching pattern has the most precedence.
+# So if a pull request only touches javascript files, only these owners
+# will be requested to review.
+
+src/iscygpty.*				@k-takata
+src/libvterm/				@leonerd
+
+runtime/autoload/getscript.vim		@cecamp
+runtime/autoload/netrw.vim		@cecamp
+runtime/autoload/netrwFileHandlers.vim	@cecamp
+runtime/autoload/netrwSettings.vim	@cecamp
+runtime/autoload/rubycomplete.vim	@segfault @dkearns
+runtime/autoload/tar.vim		@cecamp
+runtime/autoload/vimball.vim		@cecamp
+runtime/autoload/xmlformat.vim		@chrisbra
+runtime/autoload/zip.vim		@cecamp
+runtime/compiler/checkstyle.vim		@dkearns
+runtime/compiler/cucumber.vim		@tpope
+runtime/compiler/dart.vim		@dkearns
+runtime/compiler/dart2js.vim		@dkearns
+runtime/compiler/dart2native.vim	@dkearns
+runtime/compiler/dartanalyser.vim	@dkearns
+runtime/compiler/dartdevc.vim		@dkearns
+runtime/compiler/dartdoc.vim		@dkearns
+runtime/compiler/dartfmt.vim		@dkearns
+runtime/compiler/eruby.vim		@dkearns
+runtime/compiler/fbc.vim		@dkearns
+runtime/compiler/gawk.vim		@dkearns
+runtime/compiler/gjs.vim		@dkearns
+runtime/compiler/haml.vim		@tpope
+runtime/compiler/javac.vim		@dkearns
+runtime/compiler/jest.vim		@dkearns
+runtime/compiler/jjs.vim		@dkearns
+runtime/compiler/jshint.vim		@dkearns
+runtime/compiler/jsonlint.vim		@dkearns
+runtime/compiler/lazbuild.vim		@dkearns
+runtime/compiler/php.vim		@dkearns
+runtime/compiler/rake.vim		@tpope @dkearns
+runtime/compiler/rhino.vim		@dkearns
+runtime/compiler/rspec.vim		@tpope @dkearns
+runtime/compiler/rubocop.vim		@dkearns
+runtime/compiler/ruby.vim		@tpope @dkearns
+runtime/compiler/rubyunit.vim		@dkearns
+runtime/compiler/sass.vim		@tpope
+runtime/compiler/se.vim			@dkearns
+runtime/compiler/shellcheck.vim		@dkearns
+runtime/compiler/stylelint.vim		@dkearns
+runtime/compiler/tcl.vim		@dkearns
+runtime/compiler/tidy.vim		@dkearns
+runtime/compiler/ts-node.vim		@dkearns
+runtime/compiler/tsc.vim		@dkearns
+runtime/compiler/typedoc.vim		@dkearns
+runtime/compiler/xmllint.vim		@dkearns
+runtime/compiler/xo.vim			@dkearns
+runtime/compiler/zsh.vim		@dkearns
+runtime/doc/pi_getscript.txt		@cecamp
+runtime/doc/pi_logipat.txt		@cecamp
+runtime/doc/pi_netrw.txt		@cecamp
+runtime/doc/pi_tar.txt			@cecamp
+runtime/doc/pi_vimball.txt		@cecamp
+runtime/doc/pi_zip.txt			@cecamp
+runtime/ftplugin/awk.vim		@dkearns
+runtime/ftplugin/basic.vim		@dkearns
+runtime/ftplugin/bst.vim		@tpope
+runtime/ftplugin/cfg.vim		@chrisbra
+runtime/ftplugin/css.vim		@dkearns
+runtime/ftplugin/cucumber.vim		@tpope
+runtime/ftplugin/eiffel.vim		@dkearns
+runtime/ftplugin/eruby.vim		@tpope @dkearns
+runtime/ftplugin/freebasic.vim		@dkearns
+runtime/ftplugin/git.vim		@tpope
+runtime/ftplugin/gitcommit.vim		@tpope
+runtime/ftplugin/gitconfig.vim		@tpope
+runtime/ftplugin/gitrebase.vim		@tpope
+runtime/ftplugin/gitsendemail.vim	@tpope
+runtime/ftplugin/gprof.vim		@dpelle
+runtime/ftplugin/haml.vim		@tpope
+runtime/ftplugin/hgcommit.vim		@k-takata
+runtime/ftplugin/javascript.vim		@dkearns
+runtime/ftplugin/javascriptreact.vim	@dkearns
+runtime/ftplugin/kconfig.vim		@chrisbra
+runtime/ftplugin/liquid.vim		@tpope
+runtime/ftplugin/markdown.vim		@tpope
+runtime/ftplugin/matlab.vim		@cecamp
+runtime/ftplugin/nroff.vim		@a-vrma
+runtime/ftplugin/nsis.vim		@k-takata
+runtime/ftplugin/pdf.vim		@tpope
+runtime/ftplugin/ruby.vim		@tpope @dkearns
+runtime/ftplugin/sass.vim		@tpope
+runtime/ftplugin/scss.vim		@tpope
+runtime/ftplugin/spec.vim		@ignatenkobrain
+runtime/ftplugin/tidy.vim		@dkearns
+runtime/ftplugin/tmux.vim		@ericpruitt
+runtime/ftplugin/typescript.vim		@dkearns
+runtime/ftplugin/typescriptreact.vim	@dkearns
+runtime/ftplugin/xml.vim		@chrisbra
+runtime/ftplugin/zsh.vim		@chrisbra
+runtime/indent/bst.vim			@tpope
+runtime/indent/cucumber.vim		@tpope
+runtime/indent/dosbatch.vim		@k-takata
+runtime/indent/eruby.vim		@tpope @dkearns
+runtime/indent/gitconfig.vim		@tpope
+runtime/indent/haml.vim			@tpope
+runtime/indent/liquid.vim		@tpope
+runtime/indent/nsis.vim			@k-takata
+runtime/indent/ruby.vim			@AndrewRadev @dkearns
+runtime/indent/sass.vim			@tpope
+runtime/indent/scss.vim			@tpope
+runtime/indent/sh.vim			@chrisbra
+runtime/indent/teraterm.vim		@k-takata
+runtime/indent/xml.vim			@chrisbra
+runtime/indent/zsh.vim			@chrisbra
+runtime/keymap/tamil_tscii.vim		@yegappan
+runtime/pack/dist/opt/cfilter/plugin/cfilter.vim	@yegappan
+runtime/pack/dist/opt/matchit/		@chrisbra
+runtime/plugin/getscriptPlugin.vim	@cecamp
+runtime/plugin/logiPat.vim		@cecamp
+runtime/plugin/netrwPlugin.vim		@cecamp
+runtime/plugin/tarPlugin.vim		@cecamp
+runtime/plugin/vimballPlugin.vim	@cecamp
+runtime/plugin/zipPlugin.vim		@cecamp
+runtime/syntax/aidl.vim			@dpelle
+runtime/syntax/amiga.vim		@cecamp
+runtime/syntax/asm.vim			@dkearns
+runtime/syntax/asmh8300.vim		@dkearns
+runtime/syntax/awk.vim			@dkearns
+runtime/syntax/basic.vim		@dkearns
+runtime/syntax/bst.vim			@tpope
+runtime/syntax/cabal.vim		@coot
+runtime/syntax/cabalconfig.vim		@coot
+runtime/syntax/cabalproject.vim		@coot
+runtime/syntax/cs.vim			@nickspoons
+runtime/syntax/csh.vim			@cecamp
+runtime/syntax/cucumber.vim		@tpope
+runtime/syntax/datascript.vim		@dpelle
+runtime/syntax/dcl.vim			@cecamp
+runtime/syntax/doxygen.vim		@frogonwheels
+runtime/syntax/dtd.vim			@chrisbra
+runtime/syntax/elmfilt.vim		@cecamp
+runtime/syntax/eruby.vim		@tpope @dkearns
+runtime/syntax/exports.vim		@cecamp
+runtime/syntax/git.vim			@tpope
+runtime/syntax/gitcommit.vim		@tpope
+runtime/syntax/gitconfig.vim		@tpope
+runtime/syntax/gitrebase.vim		@tpope
+runtime/syntax/gprof.vim		@dpelle
+runtime/syntax/haml.vim			@tpope
+runtime/syntax/haskell.vim		@coot
+runtime/syntax/hgcommit.vim		@k-takata
+runtime/syntax/kconfig.vim		@chrisbra
+runtime/syntax/lex.vim			@cecamp
+runtime/syntax/liquid.vim		@tpope
+runtime/syntax/lisp.vim			@cecamp
+runtime/syntax/lynx.vim			@dkearns
+runtime/syntax/mailcap.vim		@dkearns
+runtime/syntax/make.vim			@rohieb
+runtime/syntax/make.vim			@rohieb
+runtime/syntax/maple.vim		@cecamp
+runtime/syntax/markdown.vim		@tpope
+runtime/syntax/netrw.vim		@cecamp
+runtime/syntax/nsis.vim			@k-takata
+runtime/syntax/pdf.vim			@tpope
+runtime/syntax/php.vim			@TysonAndre
+runtime/syntax/privoxy.vim		@dkearns
+runtime/syntax/prolog.vim		@XVilka
+runtime/syntax/rc.vim			@chrisbra
+runtime/syntax/rpcgen.vim		@cecamp
+runtime/syntax/ruby.vim			@dkearns
+runtime/syntax/sass.vim			@tpope
+runtime/syntax/scss.vim			@tpope
+runtime/syntax/sh.vim			@cecamp
+runtime/syntax/sm.vim			@cecamp
+runtime/syntax/spec.vim			@ignatenkobrain
+runtime/syntax/sqloracle.vim		@chrisbra
+runtime/syntax/sshdconfig.vim		@Jakuje
+runtime/syntax/tags.vim			@cecamp
+runtime/syntax/teraterm.vim		@k-takata
+runtime/syntax/tex.vim			@cecamp
+runtime/syntax/tidy.vim			@dkearns
+runtime/syntax/tmux.vim			@ericpruitt
+runtime/syntax/vim.vim			@cecamp
+runtime/syntax/wget.vim			@dkearns
+runtime/syntax/xbl.vim			@dkearns
+runtime/syntax/xmath.vim		@cecamp
+runtime/syntax/xml.vim			@chrisbra
+runtime/syntax/xslt.vim			@Boobies
+runtime/syntax/xxd.vim			@cecamp
+runtime/syntax/yacc.vim			@cecamp
+runtime/syntax/zsh.vim			@chrisbra
+runtime/tutor/tutor.eo			@dpelle
+runtime/tutor/tutor.eo.utf-8		@dpelle
+runtime/tutor/tutor.fr			@dpelle
+runtime/tutor/tutor.fr.utf-8		@dpelle
+src/po/de.po				@chrisbra
+src/po/eo.po				@dpelle
+src/po/fr.po				@dpelle
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..1d7ad39
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1 @@
+custom: https://www.vim.org/sponsor/index.php
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
new file mode 100644
index 0000000..eb9ae4d
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -0,0 +1,34 @@
+---
+name: Bug report
+about: Create a report to help us improve Vim
+title: ''
+labels: ''
+
+---
+
+_Instructions: Replace the template text and remove irrelevant text (including this line)_
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+(Issues related to the runtime files should be reported to their maintainer, check the file header.)
+
+**To Reproduce**
+Detailed steps to reproduce the behavior:
+1. Run `vim --clean` (or `gvim --clean`, etc.)
+2. Edit `filename`
+3. Type '....'
+4. Describe the error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, copy/paste the text or add screenshots to help explain your problem.
+
+**Environment (please complete the following information):**
+ - Vim version [e.g. 8.1.1234] (Or paste the result of `vim --version`.)
+ - OS: [e.g. Ubuntu 18.04, Windows 10 1809, macOS 10.14]
+ - Terminal: [e.g. GNOME Terminal, mintty, iTerm2, tmux, GNU screen] (Use GUI if you use the GUI.)
+
+**Additional context**
+Add any other context about the problem here.
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
new file mode 100644
index 0000000..8fa535d
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -0,0 +1,22 @@
+---
+name: Feature request
+about: Suggest an enhancement for Vim
+title: ''
+labels: enhancement
+
+---
+
+_Instructions: Replace the template text and remove irrelevant text (including this line)_
+
+**Is your feature request about something that is currently impossible or hard to do? Please describe the problem.**
+A clear and concise description of what is hard to do. Ex. It is difficult to [...] when [...]
+(If it is related to runtime files, please check their header for where to discuss enhancements.)
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..adbbb1f
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,526 @@
+name: GitHub CI
+
+on:
+  push:
+    branches: ['**']
+  pull_request:
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+
+    env:
+      CC: ${{ matrix.compiler }}
+      TEST: test
+      SRCDIR: ./src
+      LEAK_CFLAGS: -DEXITFREE
+      LOG_DIR: ${{ github.workspace }}/logs
+      TERM: xterm
+      DISPLAY: ':99'
+      DEBIAN_FRONTEND: noninteractive
+
+    strategy:
+      fail-fast: false
+      matrix:
+        features: [tiny, small, normal, huge]
+        compiler: [clang, gcc]
+        extra: [none]
+        include:
+          - features: tiny
+            compiler: clang
+            extra: nogui
+          - features: tiny
+            compiler: gcc
+            extra: nogui
+          - features: normal
+            shadow: ./src/shadow
+          - features: huge
+            coverage: true
+          - features: huge
+            compiler: gcc
+            coverage: true
+            extra: testgui
+          - features: huge
+            compiler: clang
+            extra: asan
+          - features: huge
+            compiler: gcc
+            coverage: true
+            extra: unittests
+          - features: normal
+            compiler: gcc
+            extra: vimtags
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install packages
+        run: |
+          sudo apt-get install -y \
+            autoconf \
+            lcov \
+            gettext \
+            libcanberra-dev \
+            libperl-dev \
+            python-dev \
+            python3-dev \
+            liblua5.3-dev \
+            lua5.3 \
+            ruby-dev \
+            tcl-dev \
+            cscope \
+            libgtk2.0-dev \
+            desktop-file-utils \
+            libtool-bin
+
+      - name: Install clang-11
+        if: matrix.compiler == 'clang'
+        run: |
+          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+          . /etc/lsb-release
+          sudo add-apt-repository -y "deb http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME}-11 main"
+          sudo apt-get install -y clang-11
+          sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-11 100
+          sudo update-alternatives --set clang /usr/bin/clang-11
+          sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-11 100
+
+      - name: Set up environment
+        run: |
+          mkdir -p "${LOG_DIR}"
+          mkdir -p "${HOME}/bin"
+          echo "${HOME}/bin" >> $GITHUB_PATH
+          (
+          echo "LINUX_VERSION=$(uname -r)"
+          echo "NPROC=$(getconf _NPROCESSORS_ONLN)"
+          echo "SND_DUMMY_DIR=${HOME}/snd-dummy"
+          echo "TMPDIR=${{ runner.temp }}"
+
+          case "${{ matrix.features }}" in
+          tiny|small)
+            echo "TEST=testtiny"
+            if ${{ contains(matrix.extra, 'nogui') }}; then
+              echo "CONFOPT=--disable-gui"
+            fi
+            ;;
+          normal)
+            ;;
+          huge)
+            echo "TEST=scripttests test_libvterm"
+            echo "CONFOPT=--enable-perlinterp --enable-pythoninterp --enable-python3interp --enable-rubyinterp --enable-luainterp --enable-tclinterp"
+            ;;
+          esac
+
+          if ${{ matrix.coverage == true }}; then
+            echo "CFLAGS=--coverage -DUSE_GCOV_FLUSH"
+            echo "LDFLAGS=--coverage"
+          fi
+          if ${{ contains(matrix.extra, 'testgui') }}; then
+            echo "TEST=-C src testgui"
+          fi
+          if ${{ contains(matrix.extra, 'unittests') }}; then
+            echo "TEST=unittests"
+          fi
+          if ${{ contains(matrix.extra, 'asan') }}; then
+            echo "SANITIZER_CFLAGS=-g -O1 -DABORT_ON_INTERNAL_ERROR -DEXITFREE -fsanitize-recover=all -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer"
+            echo "ASAN_OPTIONS=print_stacktrace=1 log_path=${LOG_DIR}/asan"
+            echo "UBSAN_OPTIONS=print_stacktrace=1 log_path=${LOG_DIR}/ubsan"
+            echo "LSAN_OPTIONS=suppressions=${GITHUB_WORKSPACE}/src/testdir/lsan-suppress.txt"
+          fi
+          if ${{ contains(matrix.extra, 'vimtags') }}; then
+            echo "TEST=-C runtime/doc vimtags VIMEXE=../../${SRCDIR}/vim"
+          fi
+          ) >> $GITHUB_ENV
+
+      - name: Set up system
+        run: |
+          if [[ ${CC} = clang ]]; then
+            # Use llvm-cov instead of gcov when compiler is clang.
+            ln -fs /usr/bin/llvm-cov ${HOME}/bin/gcov
+          fi
+          # Setup lua5.3 manually since its package doesn't provide alternative.
+          # https://bugs.launchpad.net/ubuntu/+source/lua5.3/+bug/1707212
+          if [[ ${CONFOPT} =~ luainterp ]]; then
+            sudo update-alternatives --install /usr/bin/lua lua /usr/bin/lua5.3 10
+          fi
+          sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=0
+          sudo usermod -a -G audio "${USER}"
+          sudo bash ci/setup-xvfb.sh
+
+      - name: Cache snd-dummy
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.SND_DUMMY_DIR }}
+          key: linux-${{ env.LINUX_VERSION }}-snd-dummy
+
+      - name: Set up snd-dummy
+        run: |
+          if [[ ! -e ${SND_DUMMY_DIR}/snd-dummy.ko ]]; then
+            bash ci/build-snd-dummy.sh
+          fi
+          cd "${SND_DUMMY_DIR}"
+          sudo insmod soundcore.ko
+          sudo insmod snd.ko
+          sudo insmod snd-pcm.ko
+          sudo insmod snd-dummy.ko
+
+      - name: Check autoconf
+        if: contains(matrix.extra, 'unittests')
+        run: |
+          make -C src autoconf
+
+      - name: Set up shadow dir
+        if: matrix.shadow
+        run: |
+          make -C src shadow
+          echo "SRCDIR=${{ matrix.shadow }}" >> $GITHUB_ENV
+          echo "SHADOWOPT=-C ${{ matrix.shadow }}" >> $GITHUB_ENV
+
+      - name: Configure
+        run: |
+          ./configure --with-features=${{ matrix.features }} ${CONFOPT} --enable-fail-if-missing
+          # Append various warning flags to CFLAGS.
+          sed -i -f ci/config.mk.sed ${SRCDIR}/auto/config.mk
+          sed -i -f ci/config.mk.${CC}.sed ${SRCDIR}/auto/config.mk
+
+      - name: Build
+        if: (!contains(matrix.extra, 'unittests'))
+        run: |
+          make ${SHADOWOPT} -j${NPROC}
+
+      - name: Check version
+        if: (!contains(matrix.extra, 'unittests'))
+        run: |
+          "${SRCDIR}"/vim --version
+          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
+          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit
+
+      - name: Test
+        timeout-minutes: 20
+        run: |
+          do_test() { sg audio "sg $(id -gn) '$*'"; }
+          do_test make ${SHADOWOPT} ${TEST}
+
+      - name: Coveralls
+        if: matrix.coverage && success() && github.event_name != 'pull_request'
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+          COVERALLS_PARALLEL: true
+          TRAVIS_JOB_ID: ${{ github.run_id }}
+        run: |
+          sudo apt-get install -y python3-setuptools python3-wheel
+          # needed for https support for coveralls building cffi only works with gcc, not with clang
+          CC=gcc pip3 install --user cpp-coveralls pyopenssl ndg-httpsclient pyasn1
+          ~/.local/bin/coveralls -b "${SRCDIR}" -x .xs -e "${SRCDIR}"/if_perl.c -e "${SRCDIR}"/xxd -e "${SRCDIR}"/libvterm --encodings utf-8
+
+      - name: Codecov
+        if: matrix.coverage && success()
+        run: |
+          cd "${SRCDIR}"
+          bash <(curl -s https://codecov.io/bash) -F "${{ matrix.features }}-${{ matrix.compiler }}-${{ matrix.extra }}"
+
+      - name: ASan logs
+        if: contains(matrix.extra, 'asan') && !cancelled()
+        run: |
+          for f in $(grep -lR '#[[:digit:]]* *0x[[:digit:]a-fA-F]*' "${LOG_DIR}"); do
+            asan_symbolize-11 -l "$f"
+            false # in order to fail a job
+          done
+
+  coveralls:
+    runs-on: ubuntu-latest
+
+    needs: linux
+    if: always() && github.event_name != 'pull_request'
+
+    steps:
+      - name: Parallel finished
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+        run: |
+          curl -k "https://coveralls.io/webhook?repo_token=${COVERALLS_REPO_TOKEN}" -d "payload[build_num]=${GITHUB_RUN_ID}&payload[status]=done"
+
+  macos:
+    runs-on: macos-latest
+
+    env:
+      CC: ${{ matrix.compiler }}
+      TEST: test
+      SRCDIR: ./src
+      LEAK_CFLAGS: -DEXITFREE
+      TERM: xterm
+
+    strategy:
+      fail-fast: false
+      matrix:
+        features: [tiny, huge]
+        compiler: [clang, gcc]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install packages
+        env:
+          HOMEBREW_NO_AUTO_UPDATE: 1
+        run: |
+          brew install lua
+          echo "LUA_PREFIX=/usr/local" >> $GITHUB_ENV
+
+      - name: Set up environment
+        run: |
+          (
+          echo "NPROC=$(getconf _NPROCESSORS_ONLN)"
+          case "${{ matrix.features }}" in
+          tiny)
+            echo "TEST=testtiny"
+            echo "CONFOPT=--disable-gui"
+            ;;
+          huge)
+            echo "CONFOPT=--enable-perlinterp --enable-python3interp --enable-rubyinterp --enable-luainterp --enable-tclinterp"
+            ;;
+          esac
+          ) >> $GITHUB_ENV
+
+      - name: Configure
+        run: |
+          ./configure --with-features=${{ matrix.features }} ${CONFOPT} --enable-fail-if-missing
+          # Append various warning flags to CFLAGS.
+          # BSD sed needs backup extension specified.
+          sed -i.bak -f ci/config.mk.sed ${SRCDIR}/auto/config.mk
+          # On macOS, the entity of gcc is clang.
+          sed -i.bak -f ci/config.mk.clang.sed ${SRCDIR}/auto/config.mk
+
+      - name: Build
+        env:
+          LC_ALL: C
+        run: |
+          make -j${NPROC}
+
+      - name: Check version
+        run: |
+          "${SRCDIR}"/vim --version
+          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
+          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit
+
+      - name: Test
+        timeout-minutes: 20
+        run: |
+          make ${TEST}
+
+  windows:
+    runs-on: windows-latest
+
+    env:
+      VCVARSALL: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat
+      # Interfaces
+      # Lua
+      LUA_VER: 54
+      LUA_VER_DOT: '5.4'
+      LUA_RELEASE: 5.4.0
+      LUA32_URL: https://downloads.sourceforge.net/luabinaries/lua-%LUA_RELEASE%_Win32_dllw6_lib.zip
+      LUA64_URL: https://downloads.sourceforge.net/luabinaries/lua-%LUA_RELEASE%_Win64_dllw6_lib.zip
+      LUA_DIR: D:\Lua
+      # Python 2
+      PYTHON_VER: 27
+      PYTHON_VER_DOT: '2.7'
+      # Python 3
+      PYTHON3_VER: 38
+      PYTHON3_VER_DOT: '3.8'
+      # Other dependencies
+      # winpty
+      WINPTY_URL: https://github.com/rprichard/winpty/releases/download/0.4.3/winpty-0.4.3-msvc2015.zip
+      # Escape sequences
+      COL_RED: "\x1b[31m"
+      COL_GREEN: "\x1b[32m"
+      COL_YELLOW: "\x1b[33m"
+      COL_RESET: "\x1b[m"
+
+    strategy:
+      fail-fast: false
+      matrix:
+        toolchain: [msvc, mingw]
+        arch: [x64, x86]
+        features: [HUGE, NORMAL]
+        include:
+          - arch: x64
+            vcarch: amd64
+            warch: x64
+            bits: 64
+            msystem: MINGW64
+            cygreg: registry
+            pyreg: ""
+          - arch: x86
+            vcarch: x86
+            warch: ia32
+            bits: 32
+            msystem: MINGW32
+            cygreg: registry32
+            pyreg: "-32"
+        exclude:
+          - toolchain: msvc
+            arch: x64
+            features: NORMAL
+          - toolchain: mingw
+            arch: x86
+            features: NORMAL
+
+    steps:
+      - name: Initalize
+        id: init
+        shell: bash
+        run: |
+          git config --global core.autocrlf input
+          python_dir=$(cat "/proc/${{ matrix.cygreg }}/HKEY_LOCAL_MACHINE/SOFTWARE/Python/PythonCore/${PYTHON_VER_DOT}/InstallPath/@")
+          python3_dir=$(cat "/proc/${{ matrix.cygreg }}/HKEY_LOCAL_MACHINE/SOFTWARE/Python/PythonCore/${PYTHON3_VER_DOT}${{ matrix.pyreg }}/InstallPath/@")
+          echo "PYTHON_DIR=$python_dir" >> $GITHUB_ENV
+          echo "PYTHON3_DIR=$python3_dir" >> $GITHUB_ENV
+
+      - uses: msys2/setup-msys2@v2
+        if: matrix.toolchain == 'mingw'
+        with:
+          msystem: ${{ matrix.msystem }}
+          release: false
+
+      - uses: actions/checkout@v2
+
+      - name: Create a list of download URLs
+        shell: cmd
+        run: |
+          type NUL > urls.txt
+          echo %LUA_RELEASE%>> urls.txt
+          echo %WINPTY_URL%>> urls.txt
+
+      - name: Cache downloaded files
+        uses: actions/cache@v2
+        with:
+          path: downloads
+          key: ${{ runner.os }}-${{ matrix.bits }}-${{ hashFiles('urls.txt') }}
+
+      - name: Download dependencies
+        shell: cmd
+        run: |
+          path C:\Program Files\7-Zip;%path%
+          if not exist downloads mkdir downloads
+
+          echo %COL_GREEN%Download Lua%COL_RESET%
+          call :downloadfile %LUA${{ matrix.bits }}_URL% downloads\lua.zip
+          7z x downloads\lua.zip -o%LUA_DIR% > nul || exit 1
+
+          echo %COL_GREEN%Download winpty%COL_RESET%
+          call :downloadfile %WINPTY_URL% downloads\winpty.zip
+          7z x -y downloads\winpty.zip -oD:\winpty > nul || exit 1
+          copy /Y D:\winpty\${{ matrix.warch }}\bin\winpty.dll        src\winpty${{ matrix.bits }}.dll
+          copy /Y D:\winpty\${{ matrix.warch }}\bin\winpty-agent.exe  src\
+
+          goto :eof
+
+          :downloadfile
+          :: call :downloadfile <URL> <localfile>
+          if not exist %2 (
+            curl -f -L %1 -o %2
+          )
+          if ERRORLEVEL 1 (
+            rem Retry once.
+            curl -f -L %1 -o %2 || exit 1
+          )
+          goto :eof
+
+      - name: Copy src directory to src2
+        shell: cmd
+        run: |
+          xcopy src src2\ /E > nul
+
+      - name: Build (MSVC)
+        if: matrix.toolchain == 'msvc'
+        shell: cmd
+        run: |
+          call "%VCVARSALL%" ${{ matrix.vcarch }}
+          cd src
+          :: Filter out the progress bar from the build log
+          sed -e "s/@<<$/@<< | sed -e 's#.*\\\\r.*##'/" Make_mvc.mak > Make_mvc2.mak
+          if "${{ matrix.features }}"=="HUGE" (
+            nmake -nologo -f Make_mvc2.mak ^
+              FEATURES=${{ matrix.features }} ^
+              GUI=yes IME=yes ICONV=yes VIMDLL=yes ^
+              DYNAMIC_LUA=yes LUA=%LUA_DIR% ^
+              DYNAMIC_PYTHON=yes PYTHON=%PYTHON_DIR% ^
+              DYNAMIC_PYTHON3=yes PYTHON3=%PYTHON3_DIR%
+          ) else (
+            nmake -nologo -f Make_mvc2.mak ^
+              FEATURES=${{ matrix.features }} ^
+              GUI=yes IME=yes ICONV=yes VIMDLL=yes
+          )
+          if not exist vim${{ matrix.bits }}.dll (
+            echo %COL_RED%Build failure.%COL_RESET%
+            exit 1
+          )
+
+      - name: Build (MinGW)
+        if: matrix.toolchain == 'mingw'
+        shell: msys2 {0}
+        run: |
+          cd src
+          if [ "${{ matrix.features }}" = "HUGE" ]; then
+            mingw32-make -f Make_ming.mak -j2 \
+              FEATURES=${{ matrix.features }} \
+              GUI=yes IME=yes ICONV=yes VIMDLL=yes \
+              DYNAMIC_LUA=yes LUA=${LUA_DIR} \
+              DYNAMIC_PYTHON=yes PYTHON=${PYTHON_DIR} \
+              DYNAMIC_PYTHON3=yes PYTHON3=${PYTHON3_DIR} \
+              STATIC_STDCPLUS=yes
+          else
+            mingw32-make -f Make_ming.mak -j2 \
+              FEATURES=${{ matrix.features }} \
+              GUI=yes IME=yes ICONV=yes VIMDLL=yes \
+              STATIC_STDCPLUS=yes
+          fi
+
+      #- name: Prepare Artifact
+      #  shell: cmd
+      #  run: |
+      #    mkdir artifacts
+      #    copy src\*vim.exe artifacts
+      #    copy src\vim*.dll artifacts
+      #
+      #- name: Upload Artifact
+      #  uses: actions/upload-artifact@v1
+      #  with:
+      #    name: vim${{ matrix.bits }}-${{ matrix.toolchain }}
+      #    path: ./artifacts
+
+      - name: Test
+        shell: cmd
+        timeout-minutes: 20
+        run: |
+          PATH %LUA_DIR%;C:\msys64\${{ matrix.msystem }}\bin;%PATH%;%PYTHON3_DIR%
+          call "%VCVARSALL%" ${{ matrix.vcarch }}
+          cd src
+          echo.
+          echo %COL_GREEN%vim version:%COL_RESET%
+          .\vim --version || exit 1
+
+          echo %COL_GREEN%Start testing vim in background.%COL_RESET%
+          start cmd /c "cd ..\src2\testdir & nmake -nologo -f Make_dos.mak VIMPROG=..\..\src\vim > nul & echo done>done.txt"
+
+          echo %COL_GREEN%Test gvim:%COL_RESET%
+          cd testdir
+          nmake -nologo -f Make_dos.mak VIMPROG=..\gvim || exit 1
+          cd ..
+
+          echo %COL_GREEN%Wait for vim tests to finish.%COL_RESET%
+          cd ..\src2\testdir
+          :: Wait about 10 minutes.
+          for /L %%i in (1,1,60) do (
+            if exist done.txt goto exitloop
+            timeout 10 > NUL 2>&1
+            if ERRORLEVEL 1 ping -n 11 localhost > NUL
+          )
+          set timeout=1
+          :exitloop
+
+          echo %COL_GREEN%Test results of vim:%COL_RESET%
+          if exist messages type messages
+          nmake -nologo -f Make_dos.mak report VIMPROG=..\..\src\vim || exit 1
+          if "%timeout%"=="1" (
+            echo %COL_RED%Timed out.%COL_RESET%
+            exit 1
+          )
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
new file mode 100644
index 0000000..ef98000
--- /dev/null
+++ b/.github/workflows/codeql-analysis.yml
@@ -0,0 +1,62 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+name: "CodeQL"
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [master]
+  schedule:
+    - cron: '0 18 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        # Override automatic language detection by changing the below list
+        # Supported options are ['csharp', 'cpp', 'go', 'java', 'javascript', 'python']
+        language: ['cpp', 'python']
+        # Learn more...
+        # https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file. 
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1