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From: dan@Apple.COM (Dan Allen)
Newsgroups: comp.sys.mac.hypercard,comp.sys.mac.programmer
Subject: Re: Latest version (Re: Hypercard stack structure? Corrupted Stack.)
Message-ID: <35503@apple.Apple.COM>
Date: 9 Oct 89 19:40:54 GMT
References: <144cs-sunb@massey.ac.nz> <35236@apple.Apple.COM> <15945@dartvax.Dartmouth.EDU> <35502@apple.Apple.COM>
Organization: Apple Computer Inc, Cupertino, CA
Lines: 25

In article <35502@apple.Apple.COM> dan@Apple.COM (Dan Allen) writes:
>In article <15945@dartvax.Dartmouth.EDU> mjm@dartmouth.edu (Michael McClennen) writes:
>>- Does HyperCard 1.2.5 simply run large stacks more efficiently than 1.2.2, or
>>  are there substantial changes in functionality?
>>
>>- Do the two versions use the same file format, so that we could develop using
>>  1.2.5 and distribute for use with 1.2.2?
>
>HC 1.2.2 verses HC 1.2.5: there are no substantial changes in
>functionality, but there are two very small (but important) bug fixes
>that cause large stacks to usually be corrupted.  One of the bugs would
>corrupt a stack when it had more than 8000 cards, while the other one
>allows stacks to grow to their theoretical maximum of 512 MB.
>
>The file format of HC 1.2.2 and HC 1.2.5 is identical.
>
>Dan Allen
>HyperCard Team
>Apple Computer
>

P.S. - Version 1.2.5 fixes the two bugs that are in 1.2.2.  Sorry if
that was not clear from the original posting.

DA