15 extern const char _openttd_revision[];
16 extern const char _openttd_build_date[];
17 extern const char _openttd_revision_hash[];
18 extern const byte _openttd_revision_modified;
19 extern const byte _openttd_revision_tagged;
20 extern const uint32 _openttd_newgrf_version;
22 bool IsReleasedVersion();