QT4 CG Meeting 170 Agenda 2026-06-30

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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 meetings

Minutes of the previous meeting.

1.4. Next meeting

This meeting is planned for 30 June 2026.

The next meeting is planned for 7 July.

1.5. Review of open action items [0/10]

  • [ ] QT4CG-143-02: MK to try to recover the ability to extract formal equivalences into tests
  • [ ] QT4CG-167-01: DB to write a PR for #2641, comments in CSV
  • [ ] QT4CG-167-02: MK to make a PR for #2591, grammar for step?lookup is invalid
  • [ ] QT4CG-167-03: NW to make a PR for #2482, fallback on bin:decode-string
  • [ ] QT4CG-167-04: NW to make a PR explaining load-xquery-module for PR #2464
  • [ ] QT4CG-167-05: MK to write a proposal to change #2393 so the functions return JNodes
  • [ ] QT4CG-167-07: NW to review tests for interpolated strings with edge cases in mind
  • [ ] QT4CG-167-08: MK to review the state of #1949 to see which items are still outstanding.
  • [ ] QT4CG-167-09: NW to close all “nice to have” issues at the end of October if they haven’t progressed

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 #2638: 2632-6: cross-cutting consistency (automatically generated & reviewed)
  • PR #2637: 2632-5: refresh stale 4.0 content (automatically generated & reviewed)
  • PR #2636: 2632-4: logic and semantics (automatically generated & reviewed)
  • PR #2635: 2632-3: typos and grammar (automatically generated & reviewed)
  • PR #2634: 2632-2: fix broken examples in expressions.xml (automatically generated & reviewed)
  • PR #2633: 2632-1: fix critical bugs and DTD-validity issues (automatically generated & reviewed)
  • PR #2594: 2389 Adaptive Serialization: more freedom
  • PR #2350: 708 An alternative proposal for generators
  • PR #2247: 716 Deferred Evaluation in XPath - the f:generator record
  • PR #2160: 2073 data model changes for JNodes and Sequences
  • PR #2071: 77c deep update

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 #2732: 2708 Obsolete references to maps being unordered
  • PR #2711: 2536 EXPath modules: handling of default values
  • PR #2701: 2677 Clarify effect of serialization-params on fn:transform

1.6.3. Close without action

It has been proposed that the following issues be closed without action. If you think discussion is necessary, please say so.

  • Issue #2464: add method to use path()

1.6.4. Substantive PRs

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

  • PR #2736: 2169 Reformulate `StringInterpolation` to remove the `` `{ `` and `` }` `` literal terminals
  • PR #2734: 2733 A step too far
  • PR #2731: 2709 Well-formed sub-documents (2nd attempt)
  • PR #2719: 1234 Serialization Parameters: Indentation, Whitespace, Newlines
  • PR #2717: 2660 fn:matching-segments: named capture groups
  • PR #2715: 2653 FLWOR, member/key/value clauses: allow sequences
  • PR #2714: 2219 Generalize method calls to sequences
  • PR #2713: 2257 Record declarations without namespace
  • PR #2712: 2702 Dynamic node tests
  • PR #2710: 2702 Dynamic selectors: focus-dependency
  • PR #2707: 1962 fn:map-to-element
  • PR #2706: 2704 change path() output for JNodes
  • PR #2698: 2641 Support comments in csv
  • PR #2696: 2695 Apply templates to maps, arrays, and JNodes
  • PR #2649: 2647 descendants: recursion, filtering
  • PR #2739: 2738 XSLT - tree terminology

1.6.5. 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 #2736: 2169 Reformulate `StringInterpolation` to remove the `` `{ `` and `` }` `` literal terminals

See PR #2736

2.2. PR #2734: 2733 A step too far

See PR #2734

2.3. PR #2731: 2709 Well-formed sub-documents (2nd attempt)

See PR #2731

2.4. PR #2719: 1234 Serialization Parameters: Indentation, Whitespace, Newlines

See PR #2719

2.5. PR #2717: 2660 fn:matching-segments: named capture groups

See PR #2717

2.6. PR #2715: 2653 FLWOR, member/key/value clauses: allow sequences

See PR #2715

2.7. PR #2714: 2219 Generalize method calls to sequences

See PR #2714

2.8. PR #2713: 2257 Record declarations without namespace

See PR #2713

2.9. PR #2712: 2702 Dynamic node tests

See PR #2712

2.10. PR #2710: 2702 Dynamic selectors: focus-dependency

See PR #2710

2.11. PR #2707: 1962 fn:map-to-element

See PR #2707

2.12. PR #2706: 2704 change path() output for JNodes

See PR #2706

2.13. PR #2696: 2695 Apply templates to maps, arrays, and JNodes

See PR #2696

2.14. PR #2649: 2647 descendants: recursion, filtering

See PR #2649

2.15. PR #2739: 2738 XSLT - tree terminology

See PR #2739

3. Any other business