auto-import changelog data from rpm-4.0.4-0.23.src.rpm
    Wed Jan 30 2002 Jeff Johnson <jbj@redhat.com>
    - legacy: configurable whiteout for known Red Hat dependency loops.
    - perl.req: don't mis-generate dependencies like perl(::path/to/foo.pl).
    - use chainsaw algorithm for dependency tree decimation when ordering.