usrmerge debian implementation

[d.dobson]

> I have read that debian was struggling with their implementation of usrmerge.
> How does the symbolic link method bejng employed differ from that of 
> gobolinux's "gobohide"?
> I am no expert on any of this, but just wondered if they are trying to solve 
> a problem that may have already been overcome?
>
> regards Dobbo
>