Changes:
8.1.0801 MinGW: no hint that tests fail because of small terminal
8.1.0802 negative index doesn't work for Blob
8.1.0803 session file has problem with single quote in file name
8.1.0804 crash when setting v:errmsg to empty list
8.1.0805 too many #ifdefs
8.1.0806 too many #ifdefs
8.1.0807 session test fails on MS-Windows
8.1.0808 MS-Windows: build error with GUI
8.1.0809 too many #ifdefs
8.1.0810 too many #ifdefs
8.1.0811 too many #ifdefs
8.1.0812 Unicode 16 feature is not useful
8.1.0813 FileChangedShell not sufficiently tested
8.1.0814 :mksession cannot handle a very long 'runtimepath'
8.1.0815 dialog for file changed outside of Vim not tested
8.1.0816 test for 'runtimepath' in session fails on MS-Windows
8.1.0817 ":=" command is not tested
8.1.0818 MS-Windows: cannot send large data with ch_sendraw()
8.1.0819 a failed assert with a long string is hard to read
8.1.0820 test for sending large data over channel sometimes fails
8.1.0821 xxd "usage" output and other arguments not tested
8.1.0822 peeking and flushing output slows down execution
8.1.0823 not sufficient testing of xxd
8.1.0824 SunOS/Solaris has a problem with ttys
8.1.0825 code for autocommands is mixed with file I/O code
8.1.0826 too many #ifdefs
8.1.0827 missing dependency in Makefile
8.1.0828 still using FEAT_VIRTUALEDIT
8.1.0829 when 'hidden' is set session creates extra buffers
8.1.0830 test leaves directory behind on MS-Windows
8.1.0831 xxd test fails if man page has dos fileformat
8.1.0832 confirm() is not tested
8.1.0833 memory leak when jumps output is filtered
8.1.0834 GUI may wait too long before dealing with messages
8.1.0835 GUI build fails on MS-Windows
8.1.0836 user completion test can fail on MS-Windows
8.1.0837 timer interrupting cursorhold and mapping not tested
8.1.0838 compiler warning for type conversion
8.1.0839 when using VTP wrong colors after a color scheme change
8.1.0840 getchar(0) never returns a character in the terminal
8.1.0841 travis config to get Lua on MacOS is too complicated
8.1.0842 getchar_zero test fails on MS-Windows
8.1.0843 memory leak when running "make test_cd"
8.1.0844 when timer fails test will hang forever
8.1.0845 having job_status() free the job causes problems
8.1.0846 not easy to recognize the system Vim runs on
8.1.0847 may use terminal after it was cleaned up
8.1.0848 cannot build with Ruby 1.8
8.1.0849 cursorline highlight is not always updated
8.1.0850 test for 'backupskip' is not correct
8.1.0851 feedkeys() with "L" does not work properly
8.1.0852 findfile() and finddir() are not properly tested
8.1.0853 options test fails on Mac
8.1.0854 xxd does not work with more than 32 bit addresses
8.1.0855 cannot build xxd with MSVC 10
8.1.0856 when scrolling a window the cursorline is not always updated
8.1.0857 indent functionality is not separated
8.1.0858 'indentkeys' and 'cinkeys' defaults are different
8.1.0859 "%v" in 'errorformat' does handle multi-byte characters
8.1.0860 debug lines left in the code
8.1.0861 building with MinGW and static libc doesn't work
8.1.0862 no verbose version of character classes
8.1.0863 cannot see what signal caused a job to end
8.1.0864 cannot have a local value for 'scrolloff' and 'sidescrolloff'
8.1.0865 when 'listchars' only contains "nbsp:X" it does not work
8.1.0866 build file dependencies are outdated
8.1.0867 cannot build Python interface with Python 2.4
8.1.0868 crash if triggering garbage collector after a function call
8.1.0869 Travis CI script is too complicated
8.1.0870 Vim doesn't use the new ConPTY support in Windows 10
8.1.0871 build error when building with Ruby 2.6.0
8.1.0872 confusing condition
8.1.0873 list if distributed files does not include matchit autoload
8.1.0874 using old style comments in new file
8.1.0875 not all errors of marks and findfile()/finddir() are tested
8.1.0876 completion match not displayed when popup menu is not shown
8.1.0877 new buffer used every time the quickfix window is opened
8.1.0878 test for has('bsd') fails on some BSD systems
8.1.0879 MS-Windows: temp name encoding can be wrong
8.1.0880 MS-Windows: inconsistent selection of winpty/conpty
8.1.0881 can execute shell commands in rvim through interfaces
8.1.0882 checking for FEAT_MBYTE which doesn't exist anymore
8.1.0883 missing some changes for Ex commands
8.1.0884 double check for bsd systems
8.1.0885 test for restricted hangs on MS-Windows GUI
8.1.0886 compiler warning for NULL pointer and condition always true
8.1.0887 the 'l' flag in :subsitute is sticky
8.1.0888 the a: dict is not immutable as documented
8.1.0889 MS-Windows: a channel write may hang
8.1.0890 pty allocation wrong if using file for out channel
8.1.0891 substitute command inssuficiently tested
8.1.0892 failure when closing a window when location list is in use
8.1.0893 terminal test is a bit flaky
8.1.0894 MS-Windows: resolve() does not return a reparse point
8.1.0895 MS-Windows: dealing with temp name encoding not quite right
8.1.0896 tests for restricted mode not run for MS-Windows GUI
8.1.0897 can modify a:000 when using a reference
8.1.0898 a messed up rgb.txt can crash Vim
8.1.0899 no need to check restricted mode for setwinvar()
8.1.0900 ConPTY many crash with 32-bit build
8.1.0901 index in getjumplist() may be wrong
8.1.0902 incomplete set of assignment operators
8.1.0903 struct uses more bytes than needed
8.1.0904 USE_LONG_FNAME never defined
8.1.0905 complicated regexp causes a crash
8.1.0906 using clumsy way to get console window handle
8.1.0907 CI tests on AppVeyor are failing
8.1.0908 can't handle large value for %{nr}v in regexp
8.1.0909 MS-Windows: using ConPTY even though it is not stable
8.1.0910 crash with tricky search pattern
8.1.0911 tag line with Ex command cannot have extra fields
8.1.0912 MS-Windows: warning for signed/unsigned
8.1.0913 CI crashes when running out of memory
8.1.0914 code related to findfile() is spread out
8.1.0915 fsync() may not work properly on Mac
8.1.0916 with Python 3.7 "find_module" is not made available
8.1.0917 double free when running out of memory
8.1.0918 MS-Windows: startup messages are not converted
8.1.0919 compiler warnings
8.1.0920 in Terminal-Normal mode job output messes up the window
8.1.0921 terminal test sometimes fails; using memory after free
8.1.0922 terminal scrollback test is flaky
8.1.0923 terminal dump diff swap does not update file names
8.1.0924 terminal scrollback test still flaky
8.1.0925 terminal scrollback test still still flaky
8.1.0926 no test for :wnext, :wNext and :wprevious
8.1.0927 USE_CR is never defined
8.1.0928 stray log function call
8.1.0929 no error when requesting ConPTY but it's not available
8.1.0930 typo in Makefile
8.1.0931 vtp_working included in GUI build but unused
8.1.0932 Farsi support is outdated and unused
8.1.0933 When using VTP scroll region isn't used properly
8.1.0934 invalid memory access in search pattern
8.1.0935 old regexp engine may use invalid buffer
8.1.0936 may leak memory when using 'vartabstop'
8.1.0937 invalid memory access in search pattern
8.1.0938 background color is wrong in MS-Windows console
8.1.0939 no completion for sign group names
8.1.0940 MS-Windows console resizing not handled properly
8.1.0941 macros for MS-Windows are inconsistent
8.1.0942 options window still checks for the multi_byte feature
8.1.0943 still a trace of Farsi support
8.1.0944 format of nbdbg() arguments is not checked
8.1.0945 internal error when using pattern with NL in the range
8.1.0946 Coveralls is not very useful
8.1.0947 using MSWIN before it is defined
8.1.0948 when built without +eval "Vim --clean" produces errors
8.1.0949 MS-windows defines GUI macros different than other systems
8.1.0950 using :python sets 'pyxversion' even when not executed
8.1.0951 using WIN64 even though it is never defined
8.1.0952 compilation warnings when building the MS-Windows installer
8.1.0953 a very long file is truncated at 2^31 lines
8.1.0954 arguments of semsg() and siemsg() are not checked
8.1.0955 matchit autoload directory not in installer
8.1.0956 using context:0 in 'diffopt' does not work well
8.1.0957 Mac: fsync fails on network share
8.1.0958 compiling weird regexp pattern is very slow
8.1.0959 sorting large numbers is not tested
8.1.0960 when using ConPTY garbage collection has undefined behavior
8.1.0961 Mac: fsync may fail sometimes
8.1.0962 building with MinGW and static libs doesn't work
8.1.0963 illegal memory access when using 'incsearch'
8.1.0964 cannot see in CI why a screenshot test failed
8.1.0965 search test fails
8.1.0966 one terminal test is flaky
8.1.0967 stray dependency in test Makefile
8.1.0968 crash when using search pattern \%Ufffffc23
8.1.0969 message written during startup is truncated
8.1.0970 text properties test fails when 'encoding' is not utf-8
8.1.0971 failure for selecting quoted text object moves cursor
8.1.0972 cannot switch from terminal window to next tabpage
8.1.0973 pattern with syntax error gives threee error messages
8.1.0974 cannot switch from terminal window to previous tabpage
8.1.0975 using STRNCPY() wrongly. Warning for uninitialized variable
8.1.0976 dosinstall still has buffer overflow problems
8.1.0977 blob not tested with Ruby
8.1.0978 blob not tested with Perl
8.1.0979 compiler warning for unused functions
8.1.0980 extend() insufficiently tested
8.1.0981 pasting in terminal insufficiently tested
8.1.0982 update_cursor() called twice in :shell
8.1.0983 checking __CYGWIN32__ unnecessarily
8.1.0984 unnecessary #ifdefs
8.1.0985 crash with large number in regexp
8.1.0986 rename() is not propertly tested
8.1.0987 unnecessary condition in #ifdef
8.1.0988 deleting location list buffer breaks location list window
8.1.0989 various small code ugliness
8.1.0990 floating point exception with "%= 0" and "/= 0"
8.1.0991 cannot build with a mix of features
8.1.0992 a :normal command resets the reg_executing() result
8.1.0993 ch_read() may return garbage if terminating NL is missing
8.1.0994 relative cursor position is not calculated correctly
8.1.0995 a getchar() call resets the reg_executing() result
8.1.0996 a few screendump tests fail because of scrolling
8.1.0997 using GUI colors in vim.exe when 'termguicolors' is off
8.1.0998 getcurpos() unexpectedly changes "curswant"
8.1.0999 use register one too often and not properly tested
8.1.1000 indenting is off
8.1.1001 Visual area not correct when using 'cursorline'
8.1.1002 "gf" does not always work when URL has a port number
8.1.1003 playing back recorded key sequence mistakes key code
8.1.1004 function "luaV_setref()" not covered with tests
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