Description of Problem: There's a small bug in the tar man page: The option --delete is not listed in the man page SYNOPSIS part. Version-Release number of selected component (if applicable): tar-1.13.19-6
Maybe you should use and modify tar man page from Gentoo, their man page have more information are up-to-date, Peter if you want I could RH-ized it?
fixed in devel and FC4-update. tar-1.15.1-10.