patch 9.0.1684: Update libvterm to rev 839 Commit: https://github.com/vim/vim/commit/b00df7aa388994119346a21d77b0d0db2a0a5e9f Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Aug 8 11:03:00 2023 +0800 patch 9.0.1684: Update libvterm to rev 839 Problem: libvterm slightly outdated Solution: Update libvterm from rev 818 to rev 839 Notable fix: libvterm now handles DECSM/DECRM with multiple arguents, so several ncurses programs (e.g. nnn) can enable mouse properly when run in Vim's terminal in XTerm. closes: #12746 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: zeertzjq <zeertzjq@outlook.com>

" Tests for using Ctrl-A/Ctrl-X using DBCS.

set encoding=cp932
scriptencoding cp932

func SetUp()
  new
  set nrformats&
endfunc

func TearDown()
  bwipe!
endfunc

func Test_increment_dbcs_1()
  set nrformats+=alpha
  call setline(1, ["ŽR1"])
  exec "norm! 0\<C-A>"
  call assert_equal(["ŽR2"], getline(1, '$'))
  call assert_equal([0, 1, 3, 0], getpos('.'))

  call setline(1, ["‚`‚a‚b0xDE‚e"])
  exec "norm! 0\<C-X>"
  call assert_equal(["‚`‚a‚b0xDD‚e"], getline(1, '$'))
  call assert_equal([0, 1, 10, 0], getpos('.'))
endfunc

" vim: shiftwidth=2 sts=2 expandtab