patch 8.0.1202: :wall gives an errof for a terminal window commit https://github.com/vim/vim/commit/059db5c29ffef283a4b90bab9228708fa32e3dd2 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 15 22:42:23 2017 +0200 patch 8.0.1202: :wall gives an errof for a terminal window Problem: :wall gives an errof for a terminal window. (Marius Gedminas) Solution: Don't try writing a buffer that can't be written. (Yasuhiro Matsumoto, closes #2190)

" 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