Log Message:
Update to newest patchlevel of vim.

ChangeLog:

7.4.431  compiler warning
7.4.432  MS-Windows: setting 'encoding' does not convert arguments
7.4.433  test 75 fails on MS-Windows
7.4.434  gettabvar() is not consistent with getwinvar() and getbufvar()
7.4.435  line formatting behaves differently when 'linebreak' is set
7.4.436  ml_get error for autocommand that moves the cursor
7.4.437  new and old regexp engine are not consistent
7.4.438  cached values for 'cino' not reset for ":set all&"
7.4.439  duplicate message in message history
7.4.440  omni complete popup drawn incorrectly
7.4.441  endless loop and other problems when 'cedit' is set to CTRL-C
7.4.442  (after 7.4.434) using unitinialized variable
7.4.443  error reported by ubsan when running test 72
7.4.444  reversed question mark not recognized as punctuation
7.4.445  clipboard may be cleared on startup
7.4.446  environment for executing autocommand may not be restored
7.4.447  spell files from Hunspell may generate a lot of errors
7.4.448  MS-Windows: Using ETO_IGNORELANGUAGE causes problems
7.4.449  can't easily close the help window
7.4.450  some commands that edit another buffer don't support +cmd
7.4.451  calling system() with empty input gives an error
7.4.452  can't build with tiny features
7.4.453  still can't build with tiny features
7.4.454  CTRL-W-] does not work when using a Visual selection
7.4.455  completion for :buf does not use 'wildignorecase'
7.4.456  'backupcopy' is global, can't set a local value
7.4.457  cannot recognize getchar() returning K_CURSORHOLD
7.4.458  issue 252: Cursor moves in a zero-height window
7.4.460  (after 7.4.454) can't build without the quickfix feature
7.4.461  MS-Windows: When collate is on the number of copies is too high
7.4.462  Setting the local value of 'backupcopy' empty gives an error
7.4.463  tests 86 and 87 may hang on MS-Windows
7.4.464  (after 7.4.459) compiler warning
7.4.465  crash when expanding a very long string
7.4.466  (after 7.4.460) CTRL-W } does not open preview window
7.4.467  'linebreak' does not work well together with Visual mode
7.4.469  (after 7.4.467) can't build with MSVC
7.4.470  test 11 and 100 do not work properly on Windows
7.4.471  MS-Windows: multi-byte printer name is displayed as ???
7.4.472  drawing "precedes" entry of 'listchar' when 'list' is not set
7.4.473  cursor position incorrect with number column and 'sbr'
7.4.474  AIX compiler can't handle // comment
7.4.475  can't compile if Xutf8SetWMProperties() is not in X11 library
7.4.476  MingW: compiling with "XPM=no" doesn't work
7.4.477  ":%diffput" adds an empty line if the other file is empty
7.4.478  using byte length instead of character length for 'showbreak'
7.4.479  MS-Windows: The console title can be wrong
7.4.480  (after 7.4.479) MS-Windows: Can't build
7.4.481  (after 7.4.471) compiler warning on MS-Windows
7.4.482  when 'balloonexpr' results in a list, text has a trailing NL
7.4.483  a 0x80 byte is not handled correctly in abbreviations
7.4.484  (after 7.4.483) compiler warning
7.4.485  (after 7.4.484) abbreviations don't work
7.4.486  check for writing to a yank register is wrong
7.4.487  ":sign jump" may unnecessarily use another window
7.4.488  test_mapping fails for some people
7.4.489  cursor movement wrong when 'lbr' with a number column
7.4.490  cannot specify the buffer to use for "do" and "dp"
7.4.491  negative "topline" value for winrestview() has display errors
7.4.492  Ctrl-O in Insert mode moves right after insert comment leader
7.4.493  a TextChanged autocommand is triggered when saving a file
7.4.494  cursor shape is wrong after a CompleteDone autocommand
7.4.495  XPM isn't used correctly in the Cygwin Makefile
7.4.496  many lines are both in Make_cyg.mak and Make_ming.mak
7.4.497  NFA engine is very slow with some regexp patterns
7.4.498  (after 7.4.497) typo in DOS makefile
7.4.499  substitute() can be slow with long strings
7.4.500  test 72 still fails once in a while
7.4.501  (after 7.4.497) typo in file pattern
7.4.502  language mapping also applies to mapped characters
7.4.503  cannot append a list of lines to a file
7.4.504  MS-Windows installer restricts install path to end in "vim"
7.4.505  problem on MS-Windows file name longer than MAX_PATH bytes
7.4.506  MS-Windows: Cannot open a file with 259 characters
7.4.507  (after 7.4.496) building with MingW and Perl may fail
7.4.508  when generating ja.sjis.po, header is not correctly adjusted
7.4.509  users are not aware their encryption is weak
7.4.510  "-fwrapv" argument breaks use of cproto
7.4.511  generating proto for if_ruby.c uses type not defined elsewhere
7.4.512  cannot generate prototypes for Win32 files and VMS
7.4.513  crash because reference count is wrong for list from getreg()
7.4.514  (after 7.4.492) memory access error
7.4.515  in a help buffer the global 'foldmethod' is used
7.4.516  issue 253: completing function name with a # does not work
7.4.517  cursor may not end up in the right place on a wrapping line
7.4.518  using status line height in width computations
7.4.519  (after 7.4.497) crash when using syntax highlighting
7.4.520  Sun PCK locale is not recognzed
7.4.521  when using "vep" a mark is moved to the next line
7.4.522  specifying wrong buffer size for GetLongPathName()
7.4.523  copy/paste no longer works is X11 server is restarted
7.4.524  when using ":ownsyntax" spell checking is messed up
7.4.525  map() leaks memory when there is an error in the expression
7.4.526  matchstr() fails on long text
7.4.527  still confusing regexp failure and NFA_TOO_EXPENSIVE
7.4.528  crash when using matchadd()
7.4.529  no test for what 7.4.517 fixes
7.4.530  many commands take count/range that is not using line numbers
7.4.531  comments about parsing an Ex command are wrong
7.4.532  when using 'incsearch' "2/pattern/e" highlights first match
7.4.533  ":hardcopy" leaks memory in case of errors
7.4.534  warnings when compiling if_ruby.c
7.4.535  (after 7.4.530) can't build with tiny features
7.4.536  test 63 fails when using a black&white terminal
7.4.537  value of v:hlsearch reflects an internal variable
7.4.538  tests fail with small features plus Python
7.4.539  (after 7.4.530) crash when computing buffer count
7.4.540  (after 7.4.539) cannot build with tiny and small features
7.4.541  crash when doing a range assign
7.4.542  cannot specify the type of range for a user command
7.4.543  (after 7.4.232) "1,3s/\n//" joins two lines instead of three
7.4.544  warnings for unused arguments with a combination of features