DR 10-0026 ? OPC: dc:creator only once within a coreProperties element

Shawn Villaron shawnv at microsoft.com
Fri Nov 12 18:33:17 CET 2010

Office 2007 and 2010 report files with duplicate <dc:creator> tags as corrupted documents.

-----Original Message-----
From: Jesper Lund Stocholm [mailto:jesper.stocholm at ciber.dk] 
Sent: Friday, November 12, 2010 1:41 AM
To: MURATA Makoto (FAMILY Given); e-SC34-WG4 at ecma-international.org
Subject: RE: DR 10-0026 ? OPC: dc:creator only once within a coreProperties element

Hello all,

This is to me more an "internationalization" issue than a "new feature"
issue. OOXML should in its base schemas be suitable for use-cases like these from users in East-Asia.

There are two issues at stake here:

1. Will future applications support this?
2. Will existing applications crash due to this?

The first is impossible to predict - but the latter is a rather trivial task to test.

The schemas-changes should be relatively benign and I am alongside Murata-san here - let's test (or inquiry makers of-) existing applications and their behaviour when encountering documents with e.g.
multiple cd:creator elements.

Med venlig hilsen / Best regards

Jesper Lund Stocholm

CIBER Danmark A/S
Mobil: +45 3094 5570
Email: jesper.stocholm at ciber.dk

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> -----Original Message-----
> From: MURATA Makoto (FAMILY Given) [mailto:eb2m-mrt at asahi-net.or.jp]
> Sent: Friday, November 12, 2010 5:21 AM
> To: e-SC34-WG4 at ecma-international.org
> Subject: Re: DR 10-0026 ? OPC: dc:creator only once within a
> element
> > http://cid-
> c8ba0861dc5e4adc.office.live.com/view.aspx/Public%20Documen
> > ts/2010/DR-10-0026.docx
> >
> > This DR concerns the fact that there is no ability to specify
> elements twice (once for Kanji; once for Kana).
> This issue is common to EPUB, OOXML, and ODF (even ODF 1.2).  I would
> to have the same solution for all of them, which is to allow more than
> dc:creator element (for example) having diffent values for @xml:lang.
> > This is a useful concern but I don't think that the way to add this 
> > feature is to modify the base standard and risk breaking existing
> applications.
> Some changes in our CORs theoretically destroy some implementations.
> Let alone AMDs.  In this case, will some real implementations really
> have troubles?   If not, I would like to use the simplest solution
> common to all relevant specifications.
> Cheers,
> Makoto

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