patch 8.0.1223: crash when using autocomplete and tab pages commit https://github.com/vim/vim/commit/9ad89c6c4f89cd710d8244d8010b8b0ae30ba79d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 26 22:04:04 2017 +0200 patch 8.0.1223: crash when using autocomplete and tab pages Problem: Crash when using autocomplete and tab pages. Solution: Check if the current tab changed. (Christian Brabandt, closes #2239)

" Tests for complicated + argument to :edit command
function Test_edit()
  call writefile(["foo|bar"], "Xfile1") 
  call writefile(["foo/bar"], "Xfile2") 
  edit +1|s/|/PIPE/|w Xfile1| e Xfile2|1 | s/\//SLASH/|w
  call assert_equal(["fooPIPEbar"], readfile("Xfile1"))
  call assert_equal(["fooSLASHbar"], readfile("Xfile2"))
endfunction