patch 8.1.2289: after :diffsplit closing the window does not disable diff Commit: https://github.com/vim/vim/commit/c8234779790dd873acb88331c50988adf94cc383 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 10 21:00:27 2019 +0100 patch 8.1.2289: after :diffsplit closing the window does not disable diff Problem: After :diffsplit closing the window does not disable diff. Solution: Add "closeoff" to 'diffopt' and add it to the default.

/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

#ifdef __QNXNTO__
# include <sys/procmgr.h>
#endif

#define	USE_TMPNAM

#define POSIX	    /* Used by pty.c */

#if defined(FEAT_GUI_PHOTON)
extern int is_photon_available;
#endif