commit https://github.com/vim/vim/commit/4119cf80e1e534057680f9543e73edf7967c2440 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 17 14:59:01 2016 +0100 patch 7.4.1113 Problem: Using {ns} in variable name does not work. (lilydjwg) Solution: Fix recognizing colon. Add a test.

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