[jdev] Monthly XMPP Meeting

Brett Zamir brettz9 at yahoo.com
Tue Mar 10 05:42:11 CDT 2009


On 3/10/2009 4:37 PM, Norman Rasmussen wrote:
> On Tue, Mar 10, 2009 at 5:13 AM, Brett Zamir <brettz9 at yahoo.com 
> <mailto:brettz9 at yahoo.com>> wrote:
>
>     Nice idea... I'd like to add lack of full XML and namespace
>     support (ok, maybe not XML with notations, external DTDs, etc.,
>     but processing instructions could have been handy)... But moving
>     forward, no outlawing of namespaced attributes anywhere, and
>     especially true namespacing in Data Forms... (and perhaps
>     requiring acceptance of <s:stream xmlns:s='...'/>, etc., while
>     we're at it).
>
>
> surely that's an implementation issue?
Well, yes, but there are issues such as these in the specs:

1) RFC3920bis-09: "for historical reasons MAY accept only the 'stream:' 
prefix"
2) RFC3921bis-08: "The <show/> element MUST NOT possess any attributes." 
(also with <status/>, <priority/>, <body/>, <subject/>)

The latter could be made to state "MUST NOT possess any non-namespaced 
attributes".
> In theory xml:lang SHOULD be supported, so it's not really a question.
xml:lang can be supported without namespace awareness--the original XML 
spec (before XML Namespaces) allows, without reservation, the colon in 
an XML Name (as in an attribute), but according to the above issues, an 
implementation could theoretically (if not actually) use a parser which 
rejects any attributes on such elements.

Brett
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