patch 8.1.1756: autocommand that splits window messes up window layout commit https://github.com/vim/vim/commit/1417c766f55e5959b31da488417b7d9b141404af Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 27 17:31:36 2019 +0200 patch 8.1.1756: autocommand that splits window messes up window layout Problem: Autocommand that splits window messes up window layout. Solution: Disallow splitting a window while closing one. In ":all" give an error when moving a window will not work.

/* beval.c */
int find_word_under_cursor(int mouserow, int mousecol, int getword, int flags, win_T **winp, linenr_T *lnump, char_u **textp, int *colp, int *startcolp);
int get_beval_info(BalloonEval *beval, int getword, win_T **winp, linenr_T *lnump, char_u **textp, int *colp);
void post_balloon(BalloonEval *beval, char_u *mesg, list_T *list);
int can_use_beval(void);
void general_beval_cb(BalloonEval *beval, int state);
/* vim: set ft=c : */