patch 8.0.1067: try/catch in timer does not prevent it from being stopped commit https://github.com/vim/vim/commit/e723c42836d971180d1bf9f98916966c5543fff1 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 6 23:40:10 2017 +0200 patch 8.0.1067: try/catch in timer does not prevent it from being stopped Problem: Using try/catch in timer does not prevent it from being stopped. Solution: Reset the exception context and use did_emsg instead of called_emsg.

" Test for joining lines.

func Test_join_with_count()
  new
  call setline(1, ['one', 'two', 'three', 'four'])
  normal J
  call assert_equal('one two', getline(1))
  %del
  call setline(1, ['one', 'two', 'three', 'four'])
  normal 10J
  call assert_equal('one two three four', getline(1))
  quit!
endfunc