extern const char *find_commit_header(const char *msg, const char *key,
size_t *out_len);
+/* Find the end of the log message, the right place for a new trailer. */
+extern int ignore_non_trailer(struct strbuf *sb);
+
typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
void *cb_data);