commit https://github.com/vim/vim/commit/6fc8227ebfbdfbbb48b81b679db81f421dbce79b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 28 19:26:43 2016 +0200 patch 7.4.2287 Problem: The callback passed to ch_sendraw() is not used. Solution: Pass the read part, not the send part. (haya14busa, closes https://github.com/vim/vim/issues/1019)

" Test for expression comparators.   vim: set ft=vim :


STARTTEST
:so small.vim
:try
:  let oldisident=&isident
:  set isident+=#
:  if 1 is#1
:    $put ='ok'
:  else
:    $put ='ng'
:  endif
:finally
:  let &isident=oldisident
:endtry
:"
:/^marker/+1,$wq! test.out
ENDTEST

marker