QT4 CG Meeting 168 Agenda 2026-06-16

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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 26 May 2026 (teleconference).

Minutes of 2 June 2026 (face-to-face).

1.4. Next meeting

This meeting is planned for 16 June 2026.

The next meeting is planned for 23 June.

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-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-167-06: NW to write a PR to resolve #2169 per GuntherRademacher
  • [ ] 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 #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 #2682: 2681 Clarifications for map-for-key() function
  • PR #2675: 2664 Allow element-to-map(doc())
  • PR #2673: 2590 Editorial Omnibus

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 #2518: Type Safety
  • Issue #2039: Generalize context item to context value in XSLT

1.6.4. Substantive PRs

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

  • PR #2678: 2581 XSLT Patterns
  • PR #2676: 2672 FLWOR trace clause
  • PR #2671: 2668 Drop number-parser option of json-to-xml
  • PR #2670: 2669 Add option to ignore empty entries when comparing maps
  • PR #2667: 2458 replacement for get() selectors
  • PR #2649: 2647 descendants: recursion, filtering
  • PR #2589: 2587 Streamability of context value expressions

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. Issue 2683, Can casting return a subtype of the requested type?

See Issue 2683

2.2. PR #2678: 2581 XSLT Patterns

See PR #2678

2.3. PR #2676: 2672 FLWOR trace clause

See PR #2676

2.4. PR #2671: 2668 Drop number-parser option of json-to-xml

See PR #2671

2.5. PR #2670: 2669 Add option to ignore empty entries when comparing maps

See PR #2670

2.6. PR #2667: 2458 replacement for get() selectors

See PR #2667

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

See PR #2589

3. Any other business