(Where) Is the rpmbuild spec file structure formally specified

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 This looks like the best source I've hit so far: http://www.rpm.org/RPM-HOWTO/build.html#SPEC-FILE Is there a formal specification for the contents, syntax, and semantics of rpmbuild spec files? Where? STH -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQFALBQIH2SF0i7rrGwRAnCgAKCP7JXo+Pbf1Eiw09BjDNe643aaGACgvF70 RyRJL7HwdEvYCD9if5v0Qtg= =Y7Of -----END PGP SIGNATURE-----