QT4 CG Meeting 163 Agenda 2026-05-05

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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 5 May 2026.

The next meeting is planned for 12 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-144-01: MK to consider if any now lost value comparisons should be added as examples.
  • [ ] QT4CG-156-01: MK: add reference to data model in F&O 9.2
  • [ ] QT4CG-156-03: MK to revise PR #2516 in light of the comments.
  • [ ] QT4CG-158-01: MK to revisit the Conformance section to revise in light of #2556 error changes
  • [ ] QT4CG-158-02: MK to add system-properties() keys for file and binary support
  • [ ] QT4CG-160-01: MK to fix the markup error in method/method call in #2578
  • [ ] QT4CG-160-02: NW to think about how to promote the dated drafts for broader community feedback.

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 #2608: 2312 Removal of Map/Array Filter (somewhat sigh)
  • PR #2607: 2314 fn:error: return type xs:error
  • PR #2604: Action QT4CG-160-01 Methods and Method Calls

1.6.3. Substantive PRs

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

  • PR #2614: 2613 make xsl:array-member create a JNode
  • PR #2611: 2598 New function fn:regex
  • PR #2610: 2584 Absolute path expressions starting at map or array
  • PR #2609: QT4CG-156-03 Revise text on JNode identity
  • PR #2606: 2605 copy, move: define behavior when target is inside source dir
  • PR #2603: 2602 EXPath file and binary modules as optional features
  • PR #2601: 2568 Error code changes for dateTime functions
  • PR #2596: 2580 Map patterns
  • PR #2595: DM edits on XML Schema data types
  • PR #2594: 2389 Adaptive Serialization: more freedom
  • PR #2589: 2587 Streamability of context value expressions
  • PR #2566: 1979 Records with type annotations
  • PR #2019: 1776: XSLT template rules for maps and array

1.6.4. Required for V4.0

The following issues are labeled “required for V4.0”.

  • Issue #1777: Shallow copy in XSLT with maps and arrays
  • Issue #675: XSLT streaming rules for new constructs

2. Technical agenda

2.1. PR #2614: 2613 make xsl:array-member create a JNode

See PR #2614

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

See PR #2611

2.3. PR #2610: 2584 Absolute path expressions starting at map or array

See PR #2610

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

See PR #2609

2.5. PR #2606: 2605 copy, move: define behavior when target is inside source dir

See PR #2606

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

See PR #2603

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

See PR #2601

2.8. PR #2596: 2580 Map patterns

See PR #2596

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

See PR #2595

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

See PR #2594

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

See PR #2589

2.12. PR #2566: 1979 Records with type annotations

See PR #2566

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

See PR #2019

3. Any other business