commit https://github.com/vim/vim/commit/7ab6defcafe017a3ad58580a3e56dab705b1ed8b Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 5 22:51:13 2016 +0200 patch 7.4.2161 Problem: Expression test fails without conceal feature. Solution: Only check "conceal" with the conceal feature.

" 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