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Community & Business Groups

Call for Participation in XSLT Extensions Community Group

The XSLT Extensions Community Group has been launched:

The group aims to agree extensions to the XSLT 3.0 Recommendation published on 8 June 2017, along with supporting changes to the other specifications (XPath, Functions and Operators) on which it depends.

A preliminary proposal describing requirements for such extensions can be found in Michael Kay’s Proposal for XSLT 4.0 published in the Proceedings of XML Prague 2020

It is intended that the group will operate primarily by use of email and forums but may hold a face-to-face meeting to resolve issues prior to final publication of a specification.

The group may publish specifications.

In order to join the group, you will need a W3C account. Please note, however, that W3C Membership is not required to join a Community Group.

This is a community initiative. This group was originally proposed on 2020-02-16 by Michael Kay. The following people supported its creation: Michael Kay, Michael Puckett, Joseph Crowther, Robert Jamieson, Branko Jagodic. W3C’s hosting of this group does not imply endorsement of the activities.

The group must now choose a chair. Read more about how to get started in a new group and good practice for running a group.

We invite you to share news of this new group in social media and other channels.

If you believe that there is an issue with this group that requires the attention of the W3C staff, please email us at

Thank you,
W3C Community Development Team

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