Tags vs PCDATA

Frank Boumphrey bckman at ix.netcom.com
Tue Jul 7 01:25:17 BST 1998


Hi,
a full review of this question can be found at

http://www.sil.org/sgml/elementsAndAttrs.html

It appears that there is no correct answer, except if you use an attribute,
then the data will not be visible to the reader when the tags are stripped
off.

Frank

Frank Boumphrey
XML and style sheet info at Http://www.hypermedic.com/style/index.htm
Author: - Professional Style Sheets for HTML and XML http://www.wrox.com
-----Original Message-----
From: Per Roger Johannessen <gt9919a at prism.gatech.edu>
To: xml-dev at ic.ac.uk <xml-dev at ic.ac.uk>
Date: Monday, July 06, 1998 5:07 PM
Subject: Tags vs PCDATA


>Hi,
>Which way is the best way to query a database, with tags or PCDATA? See
>below for examples.
>Is any of the two alternatives below considered "bad style"?
>Does it really matter?
>
>PCDATA-type:
><Message>
> <Query>Name</Query>
></Message>
>
>with the response:
><Message>
> <Answer>
> <Name>Foo</Name>
> </Answer>
></Message>
>
>
>Tag-type:
><Message>
> <Query>
> <Name/>
> </Query>
></Message>
>
>with the same response as above.
>
>As I see it, the tag type has the advantage that it is the same tag
>(eg. <Name>) in the query as in the answer. You can limit the queries to
>the same tags allowed for the answers in a DTD. On the other hand it takes
>a bit more effort to find what you query for.
>
>Best regards,
> Per Johannessen
>
>Per Roger Johannessen
>Georgia Institute of Technology, Atlanta Georgia, 30332
>Email: gt9919a at prism.gatech.edu
>
>
>
>
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>




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