commit https://github.com/vim/vim/commit/517ffbee0d5b7b46320726faaa330b61f54e867c Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 20 14:59:29 2016 +0200 patch 7.4.1755 Problem: When using getreg() on a non-existing register a NULL list is returned. (Bjorn Linse) Solution: Allocate an empty list. Add a test.

Test for ":options".

STARTTEST
:so small.vim
:let caught = 'ok'
:try
  :options
:catch 
  :let caught = v:throwpoint . "\n" . v:exception
:endtry
:buf 1
:$put =caught
:"
:" Test that changing 'path' keeps two commas.
:set path=foo,,bar
:set path-=bar
:set path+=bar
:$put =&path
:/^result/,$w! test.out
:qa!
ENDTEST

result