commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 16 13:33:52 2016 +0100 patch 7.4.1331 Problem: Crash when closing the channel in a callback. (Christian J. Robinson) Solution: Take the callback out of the list before invoking it.

Test for search('multi-byte char', 'bce')

STARTTEST
:source small.vim
:source mbyte.vim
:set encoding=utf-8
:/^Test bce:/+1
:$put =search('Ａ', 'bce', line('.'))
:1;/^Results:/,$wq! test.out
ENDTEST

Results:

Test bce:
Ａ