[PATCH] support for deny_read/allow_read options

[Matt Mackall]

On Wed, Dec 12, 2007 at 12:56:01AM -0200, Nilton Volpato wrote:
> Hi all,
> 
> I had implemented some time ago (Oct 20) a feature for allowing
> finer-grained access. However the solution was not following much of
> the project philosophy. Alexis answered me with some hints, this is a
> follow up to that earlier message.

Remind us what the use case here is, preferably by adding a better
commit message and some docs.

-- 
Mathematics is the supreme nostalgia of our time.