Re: [office] Default values

[robert_weir@us.ibm.com]

Michael.Brauer@Sun.COM wrote on 05/30/2008 08:36:00
AM:

> Dear TC members,
> 
> we are currently using the a:defaultValue attribute specified by the
> Relax NG DTD Compatibility specification[1] to define the default
values
> of many attributes. We recently received a comment from Murata Makoto
> that the use of a:defaultValue attributes in the ODF schema causes
a
> ambiguity problem in the schema[2]. In addition, we currently do not
> explicitly state whether the ODF schema shall conform to the Relax
NG
> DTD Compatibility attribute default value feature, or whether our
use of
> a:defaultValue has only documentation purposes. The later I think
is
> what actually was intended.
> 
> However, I would like to propose that we follow the proposal that
> Murata Makoto has made in his comment. That means that we remove all
> a:defaultValue attributes from the schema, and instead add a sentence
> like the one below to the sections that describe the attributes:
> 
> "If the attribute is not specified, conforming applications *should*
> behave as if the attribute has the value "[default value]".
> 
> This sentence is only a suggestion. Alternative suggestion are welcome.
> 

+1.

If we do the above I'd like us also to remove any
reference to Relax NG DTD Compatibility from ODF 1.2. 

> I further would like to suggest that we don't change the schema and
> specification manually, but by an XSLT stylesheet. If the TC accepts
> this proposal, I volunteer to develop this stylesheet.
> 

You are the ODF/XSLT Meister.  Someday you must
give a presentation on the interesting tasks you have accomplished in this
way.

> If we adapt the schema as proposed, we may either explicitly state
that 
> the ODF schema conforms to the attribute default value feature defined
> by the Relax NG DTD Compatibility specification, or we may omit the
> reference to the Relax NG DTD Compatibility specification for default
> values (We  may however want to reference it for ID/IDREF behavior.
I 
> will cover that by a different mail next week. What I want to say
here 
> is that if we only look at the default value topic, both would be
possible).
> 
> Best regards
> 
> Michael
> 
> P.S.: I have written this proposal as plain mail. If the TC follows
> Rob's suggestion for using the Wiki instead, I will move this proposal
> to the Wiki.
> 
> [1] http://www.oasis-open.org/committees/relax-ng/compatibility.html
> [2] http://lists.oasis-open.org/archives/office-comment/200805/msg00014.html
> 
> 
> -- 
> Michael Brauer, Technical Architect Software Engineering
> StarOffice/OpenOffice.org
> Sun Microsystems GmbH             Nagelsweg
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> D-20097 Hamburg, Germany          michael.brauer@sun.com
> http://sun.com/staroffice
        +49 40 23646 500
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