commit https://github.com/vim/vim/commit/a641e1d4da3f9152c489318c06a93fcd1c746637 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 13 21:16:03 2016 +0200 patch 7.4.1931 Problem: Using both old and new style file mark lines from viminfo. Solution: Skip the old style lines if the viminfo file was written with a Vim version that supports the new style.

Tests for marks.


	textline A
	textline B
	textline C


CTRL-A CTRL-X:
AAA 123 123
123 XXXXXXX
XXX 123 123


Results:
Mark after delete-undo-redo-undo: [0, 15, 2, 0]