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Subject: Re: [office] RE: On the white-space characters

it would have been a good idea to make use of xml:space in 2005, but,
much as i hate the ODF specific whitespace collapsing, i'm afraid the
backward compatibility impact of switching to xml:space now is too great.

On 29.03.2017 19:07, Aarti Nankani wrote:
> Adding  office@lists.oasis-open.org to hear others thoughts on the below...
> Thanks,
> Aarti
> -----Original Message-----
> From: Jos van den Oever [mailto:Jos.Oever@koop.overheid.nl] 
> Sent: Wednesday, March 29, 2017 2:52 AM
> To: Patrick Durusau <patrick@durusau.net>; Aarti Nankani <anankani@microsoft.com>
> Subject: Re: On the white-space characters
> I have to make a correction: the current whitespace handling rules can remove spaces that were set to 'preserve' by xml:space. So xml:space only has effect if the current whitespace rules are not followed.
> A solution might be to only follow the ODF whitespace rules if xml:space is not set to 'preserve'. This would not be backwards compatible.
> Cheers,
> Jos
> On 29-03-17 11:25, Jos van den Oever wrote:
>> Hello Aarti and Patrick,
>> Shouldn't we discuss this on office@lists.oasis-open.org?
>> XML files in ODF are XML1.0 files. xml:space is part of that 
>> specification. So xml:space should be respected by ODF software.
>> The whitespace handling that we are discussing is an additional 
>> mechanism. It's probably not needed except for backwards compatibility 
>> and the idea of simple deprecating it is a refreshing simplification.
>> Question is: how do current implementations handle xml:preserve?
>> Cheers,
>> Jos
>> On 29-03-17 01:24, Patrick Durusau wrote:
>>> Aarti,
>>> Well, your right, XML already has whitespace rules, but we didn't 
>>> follow them long ago and far away when ODF 1.0 was written. I suspect 
>>> it was internal whitespace handling in OpenOffice that had diverged 
>>> from XML and that was captured in 1.0. I say that never having asked 
>>> any of the engineers why we diverged so long ago on such a routine issue.
>>> I have suggested XML whitespace handling at least once, perhaps more 
>>> than once.
>>> I think the controlling issue is existing code bases handle 
>>> whitespace as we specified it so long ago and to re-write and proof 
>>> that code, just to be consistent with XML, isn't viewed as a priority.
>>> Jos?
>>> Hope you are having a great day!
>>> Patrick
>>> On 03/28/2017 06:30 PM, Aarti Nankani wrote:
>>>> Hi Patrick/Jos,
>>>> I was reading up on the whitespace issue
>>>> https://issues.oasis-open.org/browse/OFFICE-2102
>>>> <https://issues.oasis-open.org/browse/OFFICE-2102>
>>>> XML already has an xml:space attribute to use when you want to 
>>>> preserve whitespace.
>>>> Shouldn't this be controlled by the xml:space attribute on 
>>>> individual tags. XML already has whitespace collapsing rules.
>>>> For example, in DOCX - if you want to have multiple spaces in 
>>>> between characters in a <w:t> tag, we put <w:t 
>>>> xml:space="preserve">This has spaces</w:t>
>>>> What are the committee's thoughts on using the default XML parsing 
>>>> rules for spaces. Why not have ODF use that?
>>>> Thanks,
>>>> Aarti

Michael Stahl | Software Engineer
Platform Engineering - Desktop Team
Red Hat

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