2011-12-08 23:52 AEST by Arthur Barrett - If you set up a lot of ACL's to 'deny' merge from one branch to another, it can be difficult to 'see' what 
branches are 'allowed'.  

A 'simple' summary would be helpful but requires some way to get all the branch names.  So maybe this 
would only work on lsacl of a file, not a directory?  Or if you lsacl a directory it uses the .directory_history 
file?