patch 8.0.0571: negative line number when using :z^ in an empty buffer commit https://github.com/vim/vim/commit/a364cdb648ae009fa7aa05382f5659335683d349 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Apr 20 21:12:30 2017 +0200 patch 8.0.0571: negative line number when using :z^ in an empty buffer Problem: The cursor line number becomes negative when using :z^ in an empty buffer. (neovim https://github.com/vim/vim/issues/6557) Solution: Correct the line number. Also reset the column.

/* 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