Some updates to HACKING

[Peter Corlett]

On Wed, Feb 20, 2002 at 01:48:19PM -0800, Russ Allbery wrote:
[...]
> The pod2man man page attempts to provide some sort of description of what
> to do when writing man pages in POD, but it's not very complete. I'll try
> to whip up some sort of guide to the conventions that I've been using.
> That's a good idea.

POD is documented more fully in the perlpod man page.