patch 9.0.0623: error for modifying a const is not detected at compile time Commit: https://github.com/vim/vim/commit/fa1039760e8c1a0c7a2a722160bd3d71a4736e61 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 29 19:14:42 2022 +0100 patch 9.0.0623: error for modifying a const is not detected at compile time Problem: Error for modifying a const is not detected at compile time. Solution: Add TTFLAG_CONST and check for it in add() and extend().

/* drawline.c */
int text_prop_position(win_T *wp, textprop_T *tp, int vcol, 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 : */