version.hon commit log --grep: use the same helper to set -E/-F options as "git grep" (34a4ae5)
   1#ifndef VERSION_H
   2#define VERSION_H
   3
   4extern const char git_version_string[];
   5
   6const char *git_user_agent(void);
   7const char *git_user_agent_sanitized(void);
   8
   9#endif /* VERSION_H */