int use_color, const struct decoration_options *opts);
void show_decorations(struct rev_info *opt, struct commit *commit);
void log_write_email_headers(struct rev_info *opt, struct commit *commit,
- const char **extra_headers_p,
+ char **extra_headers_p,
int *need_8bit_cte_p,
int maybe_multipart);
void load_ref_decorations(struct decoration_filter *filter, int flags);