On Wed, Jan 15, 2014 at 05:00:17PM -0600, Steven R. Brandt wrote:

Frank tells me there was a ticket, maybe even a patch, at some point allowing one to specify a single variable (rather than a group) for syncing in a ccl file. Does anyone know what's become of it?

I don't know of a patch, but here is the ticket:

https://trac.einsteintoolkit.org/ticket/844

Frank