patch 8.0.0255: setpos() does not use the buffer argument for all marks commit https://github.com/vim/vim/commit/f13e00b2cf381e13fd327b5387a5bd6f004ac2a3 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 28 18:23:54 2017 +0100 patch 8.0.0255: setpos() does not use the buffer argument for all marks Problem: When calling setpos() with a buffer argument it often is ignored. (Matthew Malcomson) Solution: Make the buffer argument work for all marks local to a buffer. (neovim #5713) Add more tests.