[Zope-Coders] Re: [Zip] i18n:attributes in 2.7

[Godefroid Chapelle]

At 14:17 25/07/2003, Jim Fulton wrote:
>Godefroid Chapelle wrote:
>>Hi all,
>>I am currently working on Silva i18n. This led me to take a look at the 
>>code for i18n:attributes.
>>I'll try to explain the current situation :
>>I) in Zope 2.6.1,
>>I.1) space separated attributes as in
>><span value="value" title="title" accesskey="acc"
>>i18n:attributes="value title accesskey" />
>>are accepted and the three attributes are translated.
>>This should not work according to the ZPT i18n doc/spec at
>>http://dev.zope.org/Wikis/DevSite/Projects/ComponentArchitecture/ZPTInternationalizationSupport 
>>
>>I.2) semicolon separated attributes (Zope 3 current syntax) as in
>><span value="value" title="title" accesskey="acc" i18n:attributes="value; 
>>title; accesskey" />
>>are accepted.
>>accesskey attribute is translated,
>>value and title are kept as they are (not translated)
>>and value; and title; attributes are added (HUM ;-)
>>IOW it doesn't work as it should according to the ZPT i18n doc/spec.
>
>Note that the spec changed.
>
>>I.3) attributes with associated message ids as in
>><span value="value" title="title" accesskey="acc" i18n:attributes="value 
>>msgvalue; title msgtitle; accesskey msgaccesskey" />
>>do not work.
>
>>II) in Zope 2.7.b1, and Zope3
>>II.1) space separated attributes as in
>><span value="value" title="title" accesskey="acc" i18n:attributes="value 
>>title accesskey" />
>>generate a compile time error
>>IOW break the backwards compatibility.
>
>Right.
>
>>II.2) semicolon separated attributes (Zope 3 current syntax) as in
>><span value="value" title="title" accesskey="acc" i18n:attributes="value; 
>>title; accesskey" />
>>are accepted and translated correctly.
>>II.3) attributes with associated message ids as in
>><span value="value" title="title" accesskey="acc" i18n:attributes="value 
>>msgvalue; title msgtitle; accesskey msgaccesskey" />
>>are accepted and translated correctly according to message ids.
>>To summarize, as message ids translation for attributes was added, 2.7 
>>and 3 are working according to the doc/spec,
>>but 2.7 breaks backward compatibility to 2.6.1.
>>This leads to the following question : do we (1) accept this rupture in 
>>i18n:attributes management or do we (2) want 2.7 to cover space separated 
>>attributes ?
>>IOW, could people that need backward compatibility stand up ?
>
>At the time we decided to change the spec, we looked through the plone
>templates and found no case where multiple attributes in the same element
>were translated.   So we judged that there was not a backward compatability
>issue.
>
>Do you know of any existing templates that translate multiple attributes in
>the same element?

Yes, if you grep the current Plone HEAD, you'll find some... (5 ;-)
IMHO not enough to make it a problem...

except if other people on other projects use it...

So I'll insist : could people that need backward compatibility stand up ?

>Jim
>
>--
>Jim Fulton           mailto:jim@zope.com       Python Powered!
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Godefroid Chapelle

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