patch 9.0.0822: crash when dragging the statusline with a mapping Commit: https://github.com/vim/vim/commit/8ab9ca93eea32b318235384720200771863ecaee Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 31 13:06:26 2022 +0000 patch 9.0.0822: crash when dragging the statusline with a mapping Problem: Crash when dragging the statusline with a mapping. Solution: Check for valid window pointer. (issue https://github.com/vim/vim/issues/11427)

/* drawline.c */
int text_prop_position(win_T *wp, textprop_T *tp, int vcol, int scr_col, int *n_extra, char_u **p_extra, int *n_attr, int *n_attr_skip);
int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int nochange, int number_only);
/* vim: set ft=c : */