granting partial read access

Hi there,

Google only turned up the usual starter's examples... :-(

Given the following structure:

/customerA/projA/
/customerA/projB/
/customerA/projC/
...
/customerB/projX/
/customerB/projY/
...

Is there an easy way to grant someone rw-access to /customerA/projB
*only*, that is without something like the following in authz?

[/]
theguy = r
@mydevs = rw

[/customerA/projA]
theguy =

[/customerA/projB]
theguy = rw

[/customerA/projC]
theguy =

[/customerB]
theguy =

The tree is a bit deper in reality and has more projects and I don't
want to clutter authz with lots of "no rights for theguy" entries, apart
from that being inherently insecure since projD might appear pretty soon
and unnoticed by me.

To rephrase my question: Is there an easy way to grant somebody access
to just one explicit subtree deep within the repository? It should not
be possible to view any other part of the repository.

Thanks,

Tino.

-- 
"What we nourish flourishes." - "Was wir nähren erblüht."
www.tisc.de