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Subject: Re: PGN question for Steven J. Edwards

Author: Steven J. Edwards

Date: 08:05:09 06/09/98

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On June 09, 1998 at 10:46:10, Danniel Corbit wrote:

>On June 09, 1998 at 09:09:09, Dave Gomboc wrote:
>>On June 09, 1998 at 03:59:25, Steven J. Edwards wrote:
>>>The maximum length of a string (after escape character processing) is
>>>255 characters.  Similarly, the maximum length of a symbol (such as a
>>>PGN tag name) is also 255 characters.
>>
>>Maybe fixed-character limits should be removed?  Or at least enlarged
>>significantly...
>This would have serious performance implications for some platforms.  If
>we use some highly capable database like Rdb, you can get 65000
>characters in a column you can index.  But in many database systems, the
>max is 255 [and for some it is 254].

Some compilers enforce a silent limit of 31 characters per symbol of
significance and there aren't too many problems with that.  Strings need
to be longer; for example, a FEN spcification may hit more than 80
characters in some cases.

-- Steven (sje@mv.mv.com)



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