patch 8.0.1194: actual fg and bg colors of terminal are unknown commit https://github.com/vim/vim/commit/65e4c4f6868882a380c319632a1728a5e7d274ad Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 14 23:24:25 2017 +0200 patch 8.0.1194: actual fg and bg colors of terminal are unknown Problem: Actual fg and bg colors of terminal are unknown. Solution: Add t_RF. Store response to t_RB and t_RF, use for terminal.

" 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