patch 8.0.0237: when 'wildoptions' is "tagfile" completion may not work commit https://github.com/vim/vim/commit/ba47b51ff88d91c9bb5aa522183e23a656865697 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 24 21:18:19 2017 +0100 patch 8.0.0237: when 'wildoptions' is "tagfile" completion may not work Problem: When setting wildoptions=tagfile the completion context is not set correctly. (desjardins) Solution: Check for EXPAND_TAGS_LISTFILES. (Christian Brabandt, closes #1399)

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