[osis-core] OSIS book abbreviations

[Chris Little]

On Thu, 3 Oct 2002, Harry Plantinga wrote:

> ***I think that AddEsth is an unfortunate bookID for Greek
> Esther.  It contains not just the 'additions' but the whole
> book, translated from the Greek. Maybe GkEsth would be
> better. 

Esth is the abbreviation for Greek Esther as well.

It's the same book, just a different versification.  AddEsth is only for 
those cases where the additions are to be identified independently.

--Chris