[RZERC] RZERC document housekeeping

[Jim Reid]

> On 17 Oct 2017, at 11:11, Peter Koch <pk at DENIC.DE> wrote:
> 
> I'd suggest we do keep the earlier document on the website,
> but mark it 'obsolete' and/or 'superseded by the RZERC Operational Procedures
> document' in the document archive.

+1

> We might also, at some later stage, introduce document numbering.

If that ever becomes necessary, something will have gone badly wrong IMO.