patch 8.2.4614: redrawing too much when 'cursorline' is set Commit: https://github.com/vim/vim/commit/c20e46a4e3efcd408ef132872238144ea34f7ae5 Author: zeertzjq <zeertzjq@outlook.com> Date: Wed Mar 23 14:55:23 2022 +0000 patch 8.2.4614: redrawing too much when 'cursorline' is set Problem: Redrawing too much when 'cursorline' is set and jumping around. Solution: Rely on win_update() to redraw the current and previous cursor line, do not mark lines as modified. (closes #9996)

/* help.c */
void ex_help(exarg_T *eap);
void ex_helpclose(exarg_T *eap);
char_u *check_help_lang(char_u *arg);
int help_heuristic(char_u *matched_string, int offset, int wrong_case);
int find_help_tags(char_u *arg, int *num_matches, char_u ***matches, int keep_lang);
void cleanup_help_tags(int num_file, char_u **file);
void prepare_help_buffer(void);
void fix_help_buffer(void);
void ex_exusage(exarg_T *eap);
void ex_viusage(exarg_T *eap);
void ex_helptags(exarg_T *eap);
/* vim: set ft=c : */