Re: next nightly build problem

[<don...@is...>]

Joe...@t-... writes:

 > The memory models influence some limits, e.g. MOST-POSITIVE-FIXNUM and
 > perhaps ARRAY-TOTAL-SIZE-LIMIT or one of the siblings.
 > Weren't you the one once wondering about the seemingly low
 > string size limit despite a 64 bit build?

Yes, in fact I found myself wondering about this again just yesterday.
And now I can't seem to find the answer.  
What is the reason for this, and where should I have looked for it?