Log Message:
Update to new Vim 9.

Changelog:

9.0.0001  Travis CI is no longer used
9.0.0002  map functionality outside of map.c
9.0.0003  functions are global while they could be local
9.0.0004  plural messages not translated properly
9.0.0005  hare files are not recognized
9.0.0006  not all Visual Basic files are recognized
9.0.0007  no support for double, dotted and dashed underlines
9.0.0008  cannot specify the variable name for "xxd -i"
9.0.0009  going past the end of a menu item with only modifier
9.0.0010  returning 0 for has('patch-9.0.0') is inconsistent
9.0.0011  reading beyond the end of the line with put command
9.0.0012  signature files not detected properly
9.0.0013  reproducing memory access errors can be difficult
9.0.0014  missing part of the test override change
9.0.0015  with EXITFREE defined terminal menus are not cleared
9.0.0016  comparing line pointer for 'breakindent' is not reliable
9.0.0017  accessing memory beyond the end of the line
9.0.0018  going over the end of the typahead
9.0.0019  timers test not run where possible
9.0.0020  with some completion reading past end of string
9.0.0021  invalid memory access when adding word to spell word list
9.0.0022  spell test fails
9.0.0023  on Solaris timer_create() exists but does not work
9.0.0024  may access part of typeahead buf that isn't filled
9.0.0025  accessing beyond allocated memory with the cmdline window
9.0.0026  accessing freed memory with diff put
9.0.0027  the command line test is getting quite big
9.0.0028  MS-Windows: tests fail if there is a "runtime" directory
9.0.0029  the bitmaps/vim.ico file is not in the distribution
9.0.0030  matchfuzzy test depends on path of current directory
9.0.0031  <cmod> of user command does not have correct verbose value
9.0.0032  in the quickfix window 'cursorline' overrules QuickFixLine
9.0.0033  on a Belgian keyboard CTRL-[ does not work
9.0.0034  spell tests do not always clear the word list
9.0.0035  spell dump may go beyond end of an array
9.0.0036  'fillchars' cannot have window-local values
9.0.0037  build error
9.0.0038  'listchars' test fails
9.0.0039  not all systems have GDK_KEY_dead_circumflex
9.0.0040  use of set_chars_option() is confusing
9.0.0041  a couple of filetype patterns do not have "*" before \ 
"/etc"
9.0.0042  missing change for filetype detection
9.0.0043  insufficient testing for bracket commands
9.0.0044  typos in comments, wrapping lines
9.0.0045  reading past end of completion with a long line
9.0.0046  reading past end of completion with duplicate match
9.0.0047  using freed memory with recursive substitute
9.0.0048  cursor in wrong column with mouse click after concealed text
9.0.0049  csv and tsv files are not recognized
9.0.0050  split else-if is confusing
9.0.0051  using CTRL-C wih :append may hang Vim
9.0.0052  "zG" may throw an error if invalid character follows
9.0.0053  E1281 not tested with the old regexp engine
9.0.0054  compiler warning for size_t to int conversion
9.0.0055  bitbake files are not detected
9.0.0056  wrong line number reported when :cexpr fails in :def function
9.0.0057  has('patch-xxx') returns true
9.0.0058  Win32: cannot test low level events
9.0.0059  test file has wrong name
9.0.0060  accessing uninitialized memory when completing long line
9.0.0061  ml_get error with nested autocommand
9.0.0062  compiler warnings for signed/unsigned char
9.0.0063  too many type casts for dict_get functions
9.0.0064  confusing error when using "q:" in command line window
9.0.0065  cross-compiling doesn't work because of timer_create check
9.0.0066  switching window uneccarily when getting buffer options
9.0.0067  cannot show virtual text
9.0.0068  build fails with tiny features
9.0.0069  leaking memory when using text prop with inserted text
9.0.0070  using utfc_ptr2char_len() when length is negative
9.0.0071  command overlaps with printed text in scrollback
9.0.0072  compiler warning for uninitialized variable
9.0.0073  too many files recognized as bsdl
9.0.0074  Coverity warns for double free
9.0.0075  some compilers warn for using an uninitialized variable
9.0.0076  no test for what patch 8.1.1424 fixes
9.0.0077  wrong restored cursor position if switching window in autocmd
9.0.0078  star register is unexpectedly changed when deleting
9.0.0079  error in autoload script not reported for 'foldexpr'
9.0.0080  compiler warning for size_t to int conversion
9.0.0081  command line completion of user command may have duplicates
9.0.0082  cannot interrupt global command from command line
9.0.0083  ModeChanged event not triggered when leaving cmdline window
9.0.0084  using "terraform" filetype for .tfvars file is bad
9.0.0085  ":write" fails after ":file name" and then \ 
":edit"
9.0.0086  tabline is not redrawn when entering command line
9.0.0087  MS-Windows: CTRL-[ on Belgian keyboard does not work like Esc
9.0.0088  pattern for detecting bitbake files is not sufficient
9.0.0089  fuzzy argument completion doesn't work for shell commands
9.0.0090  no error when assigning bool to a string option
9.0.0091  duplicate error number
9.0.0092  plugins cannot change v:completed_item
9.0.0093  sway config files are recognized as i3config
9.0.0094  cursor restored unexpected with nested autocommand
9.0.0095  conditions are always true
9.0.0096  flag "new_value_alloced" is always true
9.0.0097  long quickfix line is truncated for :clist
9.0.0098  missing include file in timer_create configure check
9.0.0099  scrollback can be wrong after redrawing the command line
9.0.0100  get hit-enter prompt for system() when '!' is in 'guioptions'
9.0.0101  invalid memory access in diff mode with "dp" and undo
9.0.0102  reading past end of line with insert mode completion
9.0.0103  if running configure with cached results -lrt may be missing
9.0.0104  going beyond allocated memory when evaluating string constant
9.0.0105  illegal memory access when pattern starts with illegal byte
9.0.0106  illegal byte regexp test doesn't fail when fix is reversed
9.0.0107  condition always has the same value
9.0.0108  configure check for timer_create may give wrong error
9.0.0109  writing over the end of a buffer on stack
9.0.0110  help tag generation picks up words in code examples
9.0.0111  "nocombine" is missing from synIDattr()
9.0.0112  MS-Windows: test fails because file already exists
9.0.0113  has() is not strict about parsing the patch version
9.0.0114  the command line takes up space even when not used
9.0.0115  when 'cmdheight' is zero pressing ':' may scroll a window
9.0.0116  virtual text not displayed if 'signcolumn' is "yes"
9.0.0117  text of removed textprop with text is not freed
9.0.0118  no test for what patch 9.0.0115 fixes
9.0.0119  tiny chance that creating a backup file fails
9.0.0120  MS-Windows GUI: cannot use AltGr + Space
9.0.0121  cannot put virtual text after or below a line
9.0.0122  breakindent test fails
9.0.0123  cannot build with small features
9.0.0124  code has more indent than needed
9.0.0125  cursor positioned wrong with virtual text after the line
9.0.0126  expanding file names fails in dir with more than 255 entries
9.0.0127  unused variable
9.0.0128  Coverity complains about possible double free
9.0.0129  compiler warning for int/size_t usage
9.0.0130  cursor position wrong when inserting around virtual text
9.0.0131  virtual text with Tab is not displayed correctly
9.0.0132  multi-byte characters in virtual text not handled correctly
9.0.0133  virtual text after line moves to joined line
9.0.0134  no test for text property with column zero
9.0.0135  comment about tabpage line above the wrong code
9.0.0136  after CTRL-Left-mouse click a mouse scroll also has CTRL
9.0.0137  debugger test may fail when $CWD is very long
9.0.0138  not enough characters accepted for 'spellfile'
9.0.0139  truncating virtual text after a line not implemented
9.0.0140  execute() does not use the "legacy" command modifier
9.0.0141  "delmenu" does not remove autocmmands
9.0.0142  crash when adding and removing virtual text
9.0.0143  cursor positioned after virtual text in empty line
9.0.0144  text property cannot override 'cursorline' highlight
9.0.0145  substitute that joins lines drops text properties
9.0.0146  missing part of change for "override" flag
9.0.0147  cursor positioned wrong after two "below" text properties
9.0.0148  a "below" aligned text property gets 'showbreak' displayed
9.0.0149  test for fuzzy completion fails sometimes
9.0.0150  error for using #{ in an expression is a bit confusing
9.0.0151  a "below" aligned text property does not work with 'nowrap'
9.0.0152  warning for unused argument in small build
9.0.0153  no fold and sign column for virtual text with "below" align
9.0.0154  text properties wrong after splitting a line
9.0.0155  text properties "right" and "after" wrong with 'nowrap'
9.0.0156  giving E1170 only in an expression is confusing
9.0.0157  'showbreak' displayed below truncated "after" text prop
9.0.0158  with 'nowrap' "below" property not displayed correctly
9.0.0159  cannot build with small features
9.0.0160  some diff mode tests fail
9.0.0161  warning for uninitialized variable
9.0.0162  text property "below" gets indent if 'breakindent' is set
9.0.0163  text property not adjusted for text inserted with "p"
9.0.0164  using freed memory with put command
9.0.0165  looking up a text property type by ID is slow
9.0.0166  when using text properties line text length computed twice
9.0.0167  checking for text properties could be a bit more efficient
9.0.0168  cursor positioned wrong with two virtual text properties
9.0.0169  insufficient testing for line2byte() with text properties
9.0.0170  various minor code formatting issues
9.0.0171  quickfix line highlight is overruled by 'cursorline'
9.0.0172  trying to allocate zero bytes
9.0.0173  assert fails only on MS-Windows
9.0.0174  no error for using "#{ comment" in a compiled function
9.0.0175  spell checking for capital not working with trailing space
9.0.0176  checking character options is duplicated and incomplete
9.0.0177  cursor position wrong with 'virtualedit' and mouse click
9.0.0178  cursor position wrong with virtual text before Tab
9.0.0179  cursor pos wrong with wrapping virtual text in empty line
9.0.0180  stray logfile appears when running tests
9.0.0181  textprop test with line2byte() fails on MS-Windows
9.0.0182  quarto files are not recognized
9.0.0183  extra space after virtual text when 'linebreak' is set
9.0.0184  virtual text prop highlight continues after truncation
9.0.0185  virtual text does not show if text prop at same position
9.0.0186  virtual text without highlighting does not show
9.0.0187  command line height changes when maximizing window height
9.0.0188  strange effects when using "text_align" with non-zero column
9.0.0189  invalid memory access for text prop without highlight
9.0.0190  the way 'cmdheight' can be made zero is inconsistent
9.0.0191  messages test fails; window size incorrect
9.0.0192  possible invalid memory access when 'cmdheight' is zero
9.0.0193  search and match highlight interfere with virtual text
9.0.0194  cursor displayed in wrong position after removing text prop
9.0.0195  metafun files are not recogized
9.0.0196  finding value in list may require a for loop
9.0.0197  astro files are not detected
9.0.0198  ml_get error when switching buffer in Visual mode
9.0.0199  cursor position wrong with two right-aligned virtual texts
9.0.0200  cursor wrong if 'nowrap' and two right aligned text props
9.0.0201  CursorLine highlight overrules virtual text highlight
9.0.0202  code and help for indexof() is not ideal
9.0.0203  confusing variable name
9.0.0204  indexof() may leak memory
9.0.0205  cursor in wrong position when inserting after virtual text
9.0.0206  redraw flags are not named specifically
9.0.0207  stacktrace not shown when debugging
9.0.0208  the override flag has no effect for virtual text
9.0.0209  build error with small features
9.0.0210  'list' mode does not work properly with virtual text
9.0.0211  invalid memory access when compiling :lockvar
9.0.0212  invalid memory access when compiling :unlet
9.0.0213  using freed memory with error in assert argument
9.0.0214  splitting a line may duplicate virtual text
9.0.0215  not passing APC_INDENT flag
9.0.0216  undo earlier test sometimes fails on MS-Windows
9.0.0217  'shellslash' works differently when sourcing a script again
9.0.0218  reading before the start of the line
9.0.0219  cannot make a funcref with "s:func" in a def function
9.0.0220  invalid memory access with for loop over NULL string
9.0.0221  accessing freed memory if compiling nested function fails
9.0.0222  no good reason why text objects are only in larger builds
9.0.0223  typo in diffmode test
9.0.0224  Using NULL pointer when skipping compiled code
9.0.0225  using freed memory with multiple line breaks in expression
9.0.0226  job_start() test may fail under valgrind
9.0.0227  cannot read error message when abort() is called
9.0.0228  crash when pattern looks below the last line
9.0.0229  Vim9: error message for missing type is not clear
9.0.0230  no error for comma missing in list in :def function
9.0.0231  expanding "**" may loop forever with directory links
9.0.0232  test with BufNewFile autocmd is flaky
9.0.0233  removing multiple text properties takes many calls
9.0.0234  cannot make difference between :normal end and argument char
9.0.0235  'autoshelldir' does not work with chunked respose
9.0.0236  popup menu not removed when 'wildmenu' reset while visible
9.0.0237  Mac: cannot build if dispatch.h is not available
9.0.0238  Shift-Tab shows matches on cmdline when 'wildmenu' is off
9.0.0239  build failure without the +wildmenu feature
9.0.0240  crash when using ":mkspell" with an empty .dic file
9.0.0241  "make install" does not install shared syntax file
9.0.0242  "make install" still fails
9.0.0243  text properties "below" sort differently on MS-Windows
9.0.0244  cannot easily get the list of sourced scripts
9.0.0245  mechanism to prevent recursive screen updating is incomplete
9.0.0246  using freed memory when 'tagfunc' deletes the buffer
9.0.0247  cannot add padding to virtual text without highlight
9.0.0248  duplicate code in finding a script in the execution stack
9.0.0249  no test for what 9.0.0234 fixes
9.0.0250  slightly inconsistent error messages
9.0.0251  test output shows up in git
9.0.0252  cursor in wrong place after virtual text
9.0.0253  a symlink to an autoload script results in two entries
9.0.0254  typo in function name
9.0.0255  build failure without the eval feature
9.0.0256  compiler warning for uninitialized variables
9.0.0257  "->" in ":scriptnames" output not tested yet
9.0.0258  MS-Windows installer skips syntax/shared
9.0.0259  crash with mouse click when not initialized
9.0.0260  using freed memory when using 'quickfixtextfunc' recursively
9.0.0261  bufload() reads a file even if the name is not a file name
9.0.0262  build failure without the +quickfix feature
9.0.0263  too many #ifdefs
9.0.0264  CI still runs on Ubuntu 18.04
9.0.0265  no good reason why the "gf" command isn't in the tiny version
9.0.0266  compiler warning for unused argument
9.0.0267  Coverity workflow still uses Ubuntu 18.04
9.0.0268  build error without the +eval feature
9.0.0269  getscriptinfo() does not include the version
9.0.0270  some values of 'path' and 'tags' invalid in the tiny version
9.0.0271  using INIT() in non-header files
9.0.0272  BufReadCmd not triggered when loading a "nofile" buffer
9.0.0273  Konsole termresponse not recognized
9.0.0274  netrw plugin does not show remote files
9.0.0275  BufEnter not triggered when using ":edit" in \ 
"nofile" buffer
9.0.0276  'buftype' values not sufficiently tested
9.0.0277  Coverity CI: update-alternatives not needed with Ubuntu 20.04
9.0.0278  the +wildignore feature is nearly always available
9.0.0279  the tiny version has the popup menu but not 'wildmenu'
9.0.0280  the builtin termcap list depends on the version
9.0.0281  build failure without the +eval feature
9.0.0282  a nested timout stops the previous timeout
9.0.0283  cannot complete "syn list @cluster"
9.0.0284  using static buffer for multiple completion functions
9.0.0285  it is not easy to change the command line from a plugin
9.0.0286  using freed memory when location list changed in autocmd
9.0.0287  Irix systems no longer exist
9.0.0288  when 'cmdheight' is zero some messages are not displayed
9.0.0289  invalid memory write
9.0.0290  compiler warning for variable set but not used
9.0.0291  test failing
9.0.0292  test causes another test to fail
9.0.0293  messages window not hidden when starting a command line
9.0.0294  crash when 'cmdheight' is 0 and popup_clear() used
9.0.0295  GUI drop files test sometimes fails
9.0.0296  message in popup is shortened unnecessary
9.0.0297  cursor position wrong after right aligned virtual text
9.0.0298  compiler warning for size_t to int conversion
9.0.0299  error messages for setcmdline() could be better
9.0.0300  'cpoptions' tests are flaky
9.0.0301  the message window popup is delayed after an error message
9.0.0302  CI for Coverity is bothered by deprecation warnings
9.0.0303  it is not easy to get information about a script
9.0.0304  WinScrolled is not triggered when only skipcol changes
9.0.0305  CI lists useless deprecation warnings