We had a discussion on this on the Committer Meeting call today.
Taking a look at http://dublincore.org/documents/dcmes-xml/, 2.5. Language
and character encoding - this says that HTML entities should not be used;
but for instance © for the copyright symbol is ok. And the way that the
DC datastream is wrapped in FOXML would cause problems in declaring these
HTML entities. So in the FOXML the HTML entities (if allowed in the admin
client) would need converting to the character code representations.
It would seem that this is really a usability issue for the new admin client
- ie how to make it easy for users to enter symbols such as the copyright
symbol?
Should the admin client handle this at all, or leave it to the platform to
deal with (eg, in Windows you could enter C by typing Alt+01699, or by using
Character Map)?
What do people think? Provide buttons/dropdowns etc for entering special
symbols; allow typing HTML entities but convert straight to the character
code equivalent? Other suggestions?
Steve
-----Original Message-----
From: Bill Branan [mailto:[email protected]]
Sent: 05 August 2009 15:12
To: Peter Cliff
Cc: Richard Green; Fedora Commons Developers
Subject: Re: [Fedora-commons-developers] New admin client
Hi Pete,
I believe that you're correct in that the entity definitions for these
characters are just not included, so when the XML is processed during the
add/modify datastream calls the parsing fails. I've added an issue in JIRA
for this: http://fedora-commons.org/jira/browse/FCREPO-520.
Bill
On Wed, Aug 5, 2009 at 6:04 AM, Peter Cliff <[email protected]>
wrote:
Possibly not relevant at all - having not tried to enter & anything into
the new admin client! ;-) - but (I expect you know) you need to define
entities with names (©) etc.
See:
http://www.xml.com/pub/a/98/08/xmlqna2.html
http://www.tizag.com/xmlTutorial/xmlentity.php
So my guess is that somewhere some XML parsing/creating is happening
behind the scenes of that client and it is throwing the whole thing off
when the XML processing fails on account of an undefined entity?
I couldn't find any entity definitions for the HTML named ones in the
src/xsd/ (aside from the reference in xhtml1-strict.xsd). Do there need
to be some?
Hope that is useful and not teaching either of you to suck eggs! ;-)
Pete Cliff
OULS
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