[dev-context] bib: 'note' from book entry appears in incollection entry

[Sanjoy Mahajan]

> Well, yes. Since it is in the database twice, it will be typeset
> twice,

Ack, my bug -- only excuse is that my head is foggy fighting a virus.
But I'd also tried it with the note in the database once (just in the
Book entry itself, not the entry referring to it), and it also does
the same thing.

-Sanjoy

`Never underestimate the evil of which men of power are capable.'
         --Bertrand Russell, _War Crimes in Vietnam_, chapter 1.