module directory has changed (eg. "darwin-2level" vs.
"darwin-thread-multi-2level").
binary packages of perl modules need to be distinguishable between
being built against threaded perl and unthreaded perl, so bump the
PKGREVISION of all perl module packages and introduce
BUILDLINK_RECOMMENDED for perl as perl>=5.8.5nb5 so the correct
dependencies are registered and the binary packages are distinct.
addresses PR pkg/28619 from H. Todd Fujinaka.
various other things with a patch. It basically allows you to create a chain of
readers that can read a patch, remove files from a patch, add CVS context, fix
up the patch root according to CVS, and output the patch as raw unified or
through a template processor (used in some places to output a patch as HTML).
