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[sieve] I-D Action:draft-freed-sieve-in-xml-07.txt

2009-10-21 15:16:22
A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Sieve Mail Filtering Language Working Group of 
the IETF.

        Title           : Sieve Email Filtering: Sieves and display directives 
in XML
        Author(s)       : N. Freed, S. Vedam
        Filename        : draft-freed-sieve-in-xml-07.txt
        Pages           : 33
        Date            : 2009-10-21

This document describes a way to represent Sieve email filtering
language scripts in XML.  Representing sieves in XML is intended not
as an alternate storage format for Sieve but rather as a means to
facilitate manipulation of scripts using XML tools.

The XML representation also defines additional elements that have no
counterparts in the regular Sieve language.  These elements are
intended for use by graphical user interfaces and provide facilities
for labeling or grouping sections of a script so they can be
displayed more conveniently.  These elements are represented as
specially structured comments in regular Sieve format.

Change History (to be removed prior to publication as an RFC

Changed representation of comments in XML to use a comment element.

Update references.

Added an IANA registration of a URN for the Sieve namespace.

Updated XML Schema to allow largely unrestricted use of material in
other namespaces.

Add compact Relax NG schema.

Updated example stylesheet to handle material in other namespaces.

Corrected stylesheet handling of <comment> elements.

Added a section defining the structured comment convention.

Moved the examples section to an appendix.

Added text to clarify that the examples in the various appendices are
in fact code components and may therefore be reused.

Added a section on validation requirements.

Clarified various editor requirements and trust issues, restricted
the use of "*/" in non-Sieve XML content.

Added XML reference.

Added a list of all presently defined controls, explained how unknown
controls would be handled.

Added a note about the need to remove quotes and other syntax
elements when converting to XML.

Added a note about the fact that different front ends employing
different medadata may not interopate with each other.
Added preamble and postamble containers for displaydata, comment, and
external elements in command blocks.  This addresses a unique
particle attribution constraint violation in XML schema.

Added information about the MIME loops extension defining two new
controls: foreverypart and break.

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