In its meeting on Wednesday, the XMPP Council declined [1] to accept the most recent SVG whiteboarding proposal [2] as a XEP. However, the Council appreciates the efforts of those who have worked on the technology underlying that specification, which may provide helpful experiential input to standards-track work in this domain.
The sense of the Council is that it would be more productive in the long term to define a generic technology for shared XML editing, similar to a previous proposal [3]. Such a technology could be used for whiteboarding with SVG as in a previous proposal [4], but also for shared editing of other XML formats such as XHTML, Open Document Format (ODF), and Atom. Limiting the approach to SVG whiteboarding alone will not provide for re-use of the technology for other applications. One approach previously explored would be to use the W3C's Remote Events in XML (REX) technology. [5] Unfortunately, REX has some limitations that would limit its usefulness for shared XML editing over XMPP, and in any case is patent-encumbered [6] so could not be used in an XSF specification. The Council will take it as an action item to investigate shared XML editing technologies in greater depth. There are challenging issues of synchronization involved (which would have been partially addressed by REX), as well as proper layering of the solution so that we can build multiple applications on top of the editing technology. At its next meeting the Council will discuss approaches for solving these problems, which may involve assigning a team or individual to work on solutions (as we have done in the past, e.g. when Peter Millard was tasked with working on Publish-Subscribe). As always, feedback is welcome. /psa [1] http://www.jabber.org/muc-logs/[EMAIL PROTECTED]/2007-08-08.html#12:53:57 [2] http://www.xmpp.org/extensions/inbox/whiteboard2.html [3] http://www.xmpp.org/extensions/inbox/sxde.html [4] http://www.xmpp.org/extensions/inbox/whiteboard.html [5] http://www.w3.org/TR/rex/ [6] http://www.w3.org/News/2007#item170
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