[Rd] package 'stats' needs import directive for 1.9.0?

[Prof Brian Ripley]

On Fri, 27 Feb 2004, Swinton, Jonathan wrote:

> 
> 
> > From: Prof Brian Ripley <ripley at stats.ox.ac.uk>
> > Subject: Re: [Rd] package 'stats' needs import directive for 1.9.0?
> > To: "Heywood, Giles" <Giles.Heywood at CommerzbankIB.com>
> > Cc: R-devel at stat.math.ethz.ch
> ... 
> > I suggest you don't try: there are already quite a few 1.9.0-specific 
> > versions of packages on CRAN, and 1.8.x will be history in a 
> > couple of 
> > months.
> > 
> I'm not sure I understand the advice here. I have also hit the same problem,
> and it seems reasonable to me to aspire to maintain a single package which
> works on both 1.8.x and 1.9.x. 

It is not easily possible if namespaces are involved.  We failed to 
anticpate that we would need version-dependent namespaces until rather 
late and then decided not to set up an elaborate solution when most people 
affected had already made separate versions for 1.9.0.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595