Deleting a tag from a bound branch

[John Arbash Meinel]

...
> One option that might be very interesting to explore, might be to store
> tag information in a way similar to how Bazaar Looms store the thread
> information - in an evolving history DAG reusing Bazaar's core storage
> formats.
>

This option was certainly discussed. The main issue is that it adds 
yet-another layer of complexity to the system. Which in itself is 
overhead. For example, if you give history and merging of tags, now you 
can also have conflicting tags, and you need a way to resolve them, etc.

John
=:->