- 7.4.1818: Help completion adds @en to all matches except the first
  one. Remove "break", go over all items.
- 7.4.1819: Compiler warnings when sprintf() is a macro. Don't interrupt
  sprintf() with an #ifdef. (Michael Jarvis, closes vim#788)
- 7.4.1820: Removing language from help tags too often. Only remove @en
  when not needed. (Hirohito Higashi)
- 7.4.1821: Test fails on MS-Windows. Sort the completion results.
- 7.4.1822: Redirecting stdout of a channel to "null" doesn't work.
  (Nicola) Correct the file descriptor number.
- 7.4.1823: Warning from 64 bit compiler. Add type cast. (Mike Williams)
- 7.4.1824: When a job is no longer referenced and does not have an exit
  callback the process may hang around in defunc state. (Nicola) Call
  job_status() if the job is running and won't get freed because it
  might still be useful.
- 7.4.1825: When job writes to buffer nothing is written. (Nicola) Do
  not discard a channel before writing is done.
- 7.4.1826: Callbacks are invoked when it's not safe. (Andrew Stewart)
  When a channel is to be closed don't invoke callbacks right away, wait
  for a safe moment.
- 7.4.1827: No error when invoking a callback when it's not safe. Add an
  error message. Avoid the error when freeing a channel.
- 7.4.1828: May try to access buffer that's already freed. When freeing
  a buffer remove it from any channel.
- 7.4.1829: No message on channel log when buffer was freed. Log a
  message.
- 7.4.1830: non-antialiased misnamed. Use NONANTIALIASED and
  NONANTIALIASED_QUALITY. (Kim Brouer, closes vim#793)

* origin/master: (25 commits)
  patch 7.4.1819 Problem:    Compiler warnings when sprintf() is a macro. Solution:   Don't interrupt sprintf() with an #ifdef. (Michael Jarvis,             closes vim#788)
  patch 7.4.1818 Problem:    Help completion adds @en to all matches except the first one. Solution:   Remove "break", go over all items.
  patch 7.4.1817 Problem:    The screen is not updated if a callback is invoked when closing a             channel. Solution:   Invoke redraw_after_callback().
  patch 7.4.1816 Problem:    Looping over a null list throws an error. Solution:   Skip over the for loop.
  patch 7.4.1815 Problem:    Compiler warnings for unused variables. (Ajit Thakkar) Solution:   Add a dummy initialization. (Yasuhiro Matsumoto)
  patch 7.4.1814 Problem:    A channel may be garbage collected while it's still being used by             a job. (James McCoy) Solution:   Mark the channel as used if the job is still used.  Do the same             for channels that are still used.
  patch 7.4.1813 Problem:    Memory access error when running test_quickfix. Solution:   Allocate one more byte. (Yegappan Lakshmanan)
  patch 7.4.1812 Problem:    Failure on startup with Athena and Motif. Solution:   Check for INVALCOLOR. (Kazunobu Kuriyama)
  patch 7.4.1811 Problem:    Netbeans channel gets garbage collected. Solution:   Set reference in nb_channel.
  patch 7.4.1810 Problem:    Sending DETACH after a channel was closed isn't useful. Solution:   Only add DETACH for a netbeans channel.
  patch 7.4.1809 Problem:    Using wrong short option name for 'termguicolors'. Solution:   Use the option name.
  patch 7.4.1808 Problem:    Using wrong feature name to check for 'termguicolors'. Solution:   Use the right feature name. (Ken Takata)
  patch 7.4.1807 Problem:    Test_out_close_cb sometimes fails. Solution:   Always write DETACH to out, not err.
  patch 7.4.1806 Problem:    'termguicolors' option missing from the options window. Solution:   Add the entry.
  Update runtime files.
  patch 7.4.1805 Problem:    Running tests in shadow dir fails. Solution:   Link the samples directory
  patch 7.4.1804 Problem:    Can't use Vim as MANPAGER. Solution:   Add manpager.vim. (Enno Nagel, closes vim#491)
  patch 7.4.1803 Problem:    GTK3 doesn't handle menu separaters properly. Solution:   Use gtk_separator_menu_item_new(). (Kazunobu Kuriyama)
  patch 7.4.1802 Problem:    Quickfix doesn't handle long lines well, they are split. Solution:   Drop characters after a limit. (Anton Lindqvist)
  patch 7.4.1801 Problem:    Make uninstall leaves file behind. Solution:   Delete rgb.txt. (Kazunobu Kuriyama)
  ...