[Hat] Proposal, Hierarchical module structure for tools

[Neil Mitchell]

Hi,

> You should note that this is in large part what hat already does.
> Look at the Highlight Module.
>
> >>         HatCoverText -> Tracing.Hat.Coverage.ANSIterm
> >
> > The name ANSIterm makes me uneasy, Terminal perhaps? ANSIterm just
> > looks ugly, and the case of it is weird compared to the rest of
> > Haskell.

In that case how about Tracing.Hat.Coverage.Highlight, exporting a
data structure one step above the low level escape coded strings.
Saves us the issue of making an ugly name, and makes it more useful.

Thanks

Neil