QT4 CG Meeting 164 Agenda 2026-05-12

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Agenda

This meeting will be hosted on Zoom at 16:00BST (15:00GMT, 17:00CEST, 11:00EDT).

See the meeting logistics page for more details.

1. Administrivia

1.1. Roll call

1.2. Approve the agenda

1.3. Approve minutes of previous meeting

Minutes of the previous meeting.

1.4. Next meeting

This meeting is planned for 12 May 2026.

The next meeting is planned for 19 May 2026.

1.5. Review of open action items [1/12]

  • [ ] QT4CG-143-02: MK to try to recover the ability to extract formal equivalences into tests
  • [ ] QT4CG-160-02: NW to think about how to promote the dated drafts for broader community feedback.
  • [ ] QT4CG-165-01: NW to follow-up with the generator authors and schedule another discussion

1.6. Review of open pull requests and issues

This section summarizes all of the issues and pull requests that need to be resolved before we can finish. See Technical Agenda below for the focus of this meeting.

1.6.1. Blocked

The following PRs are open but have merge conflicts or comments which suggest they aren’t ready for action.

  • PR #2019: 1776: XSLT template rules for maps and array
  • PR #2071: 77c deep update
  • PR #2160: 2073 data model changes for JNodes and Sequences
  • PR #2247: 716 Deferred Evaluation in XPath - the f:generator record
  • PR #2350: 708 An alternative proposal for generators

1.6.2. Merge without discussion

The following PRs are editorial, small, or otherwise appeared to be uncontroversial when the agenda was prepared. The chairs propose that these can be merged without discussion. If you think discussion is necessary, please say so.

  • PR #2623: 2621 Add reference to post-process option
  • PR #2622: 2612 fn:char: Support \b and \f
  • PR #2618: 2585 (part) Clarify error handling on date/time/duration arithmetic

1.6.3. Substantive PRs

The following substantive PRs were open when this agenda was prepared.

  • PR #2019: 1776: XSLT template rules for maps and array
  • PR #2566: 1979 Records with type annotations
  • PR #2589: 2587 Streamability of context value expressions
  • PR #2594: 2389 Adaptive Serialization: more freedom
  • PR #2596: 2580 Map patterns
  • PR #2601: 2568 Error code changes for dateTime functions
  • PR #2603: 2602 EXPath file and binary modules as optional features
  • PR #2609: QT4CG-156-03 Revise text on JNode identity
  • PR #2611: 2598 New function fn:regex
  • PR #2616: 2613b Additional notes, examples, and clarifications for xsl:array-member

2. Technical agenda

2.1. PR #2616: 2613b Additional notes, examples, and clarifications for xsl:array-member

See PR #2616

2.2. PR #2611: 2598 New function fn:regex

See PR #2611

2.3. PR #2609: QT4CG-156-03 Revise text on JNode identity

See PR #2609

2.4. PR #2603: 2602 EXPath file and binary modules as optional features

See PR #2603

2.5. PR #2601: 2568 Error code changes for dateTime functions

See PR #2601

2.6. PR #2596: 2580 Map patterns

See PR #2596

2.7. PR #2595: DM edits on XML Schema data types

See PR #2595

2.8. PR #2566: 1979 Records with type annotations

See PR #2566

2.9. PR #2594: 2389 Adaptive Serialization: more freedom

See PR #2594

2.10. PR #2589: 2587 Streamability of context value expressions

See PR #2589

2.11. PR #2019: 1776: XSLT template rules for maps and array

See PR #2019

3. Any other business