with fossil repo latest ci [399d1ca000] (which corresponds to graph work), fossil co --latest fails:
<pre>
oxford$ fossil version
This is fossil version [4027ad4b7e] 2010-02-06 20:20:59 UTC
oxford$ fossil info
project-name: Fossil
repository:
local-root:
project-code:
server-code:
checkout:     2010-02-06 20:20:59 UTC
parent:       2010-02-06 17:25:07 UTC
child:        2010-02-08 14:20:24 UTC
tags:         trunk
oxford$ fossil co --latest
fossil: cannot locate "latest" checkout
</pre>