leave revision 0 line in Portfile

[Ryan Schmidt]

On Dec 22, 2018, at 09:48, Ken Cunningham wrote:

> I would like to propose we stop asking people to remove the "revision 0" line in Portfiles. 
> 
> Rationale:
> 
> Functionally the same either way.
> Insignificant size.
> it's properly located already. This takes thoght, why waste it for next time?
> It's petty and bikesheddy to ask everyone to remove it. Sends wrong message.
> At some point we are going to want an automated tool to propose version bumps and do dependency revbumps; we'll appreciate every port having that line in then. 
> 
> So how about we embrace the "0" and move on to stuff that matters more!!!

I'll agree with all of that.