patch 8.0.1774: reading very long lines can be slow commit https://github.com/vim/vim/commit/13d3b05ed2cf9a54b18b4e8236f0af2c5386200c Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 29 13:34:47 2018 +0200 patch 8.0.1774: reading very long lines can be slow Problem: Reading very long lines can be slow. Solution: Read up to 1 Mbyte at a time to avoid a lot of copying. Add a check for going over the column limit.

the first target to make vim is: reconfig
srcdir = .
VIMNAME = vim
EXNAME = ex
VIEWNAME = view