commit https://github.com/vim/vim/commit/9ccaae04c6f263e6db14fc403bca2404a7871114 Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 7 18:36:48 2016 +0200 patch 7.4.1820 Problem: Removing language from help tags too often. Solution: Only remove @en when not needed. (Hirohito Higashi)

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