Problem: Cannot use imactivatefunc() unless compiled with +xim.
Solution: Allow using imactivatefunc() when not compiled with +xim.
(Yasuhiro Matsumoto, closes#2349)
Problem: Mac features are confusing.
Solution: Make feature names more consistent, add "osxdarwin". Rename
feature flags, cleanup Mac code. (Kazunobu Kuriyama, closes#2178)
Problem: Libvterm has its own idea of character width.
Solution: Use the Vim functions for character width and composing to avoid a
mismatch. (idea by Yasuhiro Matsumoto)
Problem: Since we only support GTK versions that have it, the ckeck for
HAVE_GTK_MULTIHEAD is no longer needed.
Solution: Remove HAVE_GTK_MULTIHEAD. (Kazunobu Kuriyama)
Problem: Characters below 256 that are not one byte are not always
recognized as word characters.
Solution: Make vim_iswordc() and vim_iswordp() work the same way. Add a test
for this. (Ozaki Kiichi)
Problem: Setting language in gvim on MS-Windows does not work when
libintl.dll is dynamically linked with msvcrt.dll.
Solution: Use putenv() from libintl as well. (Ken Takata, closes#1082)
Problem: Display problems when the 'ambiwidth' and 'emoji' options are not
set properly or the terminal doesn't behave as expected.
Solution: After drawing an ambiguous width character always position the
cursor.
Problem: Handling emoji characters as full width has problems with
backwards compatibility.
Solution: Only put characters in the 1f000 range in the emoji table.
Problem: Handling emoji characters as full width has problems with
backwards compatibility.
Solution: Remove ambiguous and double width characters from the emoji table.
Use a separate table for the character class.
(partly by Yasuhiro Matsumoto)
Problem: Although emoji characters are ambiguous width, best is to treat
them as full width.
Solution: Update the Unicode character tables. Add the 'emoji' options.
(Yasuhiro Matsumoto)
Problem: Rare crash in getvcol(). (Timo Mihaljov)
Solution: Check for the buffer being NULL in init_preedit_start_col.
(Hirohito Higashi, Christian Brabandt)
Problem: When spell checking is enabled Asian characters are always marked
as error.
Solution: When 'spelllang' contains "cjk" do not mark Asian characters as
error. (Ken Takata)
Problem: Still have old hacking code for Input Method.
Solution: Add 'imactivatefunc' and 'imstatusfunc' as a generic solution to
Input Method activation. (Yukihiro Nakadaira)
Problem: Clipboard does not work on Win32 when compiled with Cygwin.
Solution: Move the Win32 clipboard code to a separate file and use it when
building with os_unix.c. (Frodak Baksik, Ken Takata)
Problem: Can't input multibyte characters on Win32 console if 'encoding' is
different from current codepage.
Solution: Use convert_input_safe() instead of convert_input(). Make
string_convert_ext() return an error for incomplete input. (Ken
Takata)
