commit https://github.com/vim/vim/commit/aa23b379421aa214e6543b06c974594a25799b09 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 8 18:46:31 2015 +0200 patch 7.4.858 Problem: It's a bit clumsy to execute a command on a list of matches. Solution: Add the ":ldo", ":lfdo", ":cdo" and ":cfdo" commands. (Yegappan Lakshmanan)

Tests for marks.

STARTTEST
:so small.vim
:" test that a deleted mark is restored after delete-undo-redo-undo
:/^\t/+1
:set nocp viminfo+=nviminfo
madduu
:let a = string(getpos("'a"))
:$put ='Mark after delete-undo-redo-undo: '.a
:/^\t/,$wq! test.out
ENDTEST

	textline A
	textline B
	textline C

Results: