- 7.4.1753: "noinsert" in 'completeopt' is sometimes ignored. Set the
  variables when the 'completeopt' was set. (Ozaki Kiichi)
- 7.4.1754: When 'filetype' was set and reloading a buffer which does
  not cause it to be set, the syntax isn't loaded. (KillTheMule)
  Remember whether the FileType event was fired and fire it if not.
  (Anton Lindqvist, closes vim#747)
- 7.4.1755: When using getreg() on a non-existing register a NULL list
  is returned. (Bjorn Linse) Allocate an empty list. Add a test.
- 7.4.1756: "dll" options are not expanded. Expand environment
  variables. (Ozaki Kiichi)
- 7.4.1757: When using complete() it may set 'modified' even though
  nothing was inserted. Use Down/Up instead of Next/Previous match.
  (Shougo, closes vim#745)
- 7.4.1758: Triggering CursorHoldI when in CTRL-X mode causes problems.
  Do not trigger CursorHoldI in CTRL-X mode. Add "!" flag to feedkeys()
  (test with that didn't work though).
- 7.4.1759: When using feedkeys() in a timer the inserted characters are
  not used right away. Break the wait loop when characters have been
  added to typebuf. use this for testing CursorHoldI.
- 7.4.1760: Compiler warning for unused variable. Add #ifdef. (John
  Marriott)