[Xr] Xr support for non-X rendering

[Carl Worth]

On Apr 22, Amaury Jacquot wrote:
 > unfortunately, all I get is :
 > 
 > cvs server: failed to create lock directory for `/local/src/CVS/Xr'
 > (/local/src/CVS/Xr/#cvs.lock): Permission denied
 > cvs server: failed to obtain dir lock in repository `/local/src/CVS/Xr'
 > cvs [server aborted]: read lock failed - giving up

Hmm... looks like a general problem with anoncvs on keithp.com. I get
the same thing for several other modules. I'm not sure what might have
changed on that machine, Keith?

-Carl