QT4 CG Meeting 172 Agenda 2026-07-14

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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 14 July 2026.

The next meeting is planned for 21 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-167-05: 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
  • [ ] QT4CG-170-01: RD to draft a proposal that attempts to address the lexical issues differently.

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  • PR #2782: 2781b XQFO: outdated examples
  • PR #2779: 2781a Fix parsing errors in F&O and XQuery specs
  • PR #2771: 2769 Clarify repeatability of random-number-generator() results

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 #2315: Optimization of the workflow action checkout
  • Issue #2299: Make the pipe-like operators left associative and have the same precedence

1.6.4. Substantive PRs

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

  • PR #2784: 2783 fn:pad-string
  • PR #2778: 2641b Add support for CSV comments
  • PR #2777: 2644 Extend casts to sequences, arrays, maps, and records
  • PR #2776: 2769 repeatability of rng next
  • PR #2768: 2740 Drop constructor functions from built-in records
  • PR #2767: 2750 Make fn:unparsed-text, … nondeterministic
  • PR #2761: 2758 Add rules for visibility of named types across packages
  • PR #2760: 2521 URIs: unify handling of fragment identifiers
  • PR #2757: 2569 Rules for unprefixed function calls with explicit default function ns
  • PR #2739: 2738 XSLT - tree terminology
  • PR #2734: 2733 A step too far
  • PR #2719: 1234 Serialization Parameters: Indentation, Whitespace, Newlines
  • 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 #2707: 1962 fn:map-to-element
  • PR #2696: 2695 Apply templates to maps, arrays, and JNodes

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

I’ve put a few new PRs at the top, then the previous ones in the same order as last week.

  • PR #2784: 2783 fn:pad-string
  • PR #2778: 2641b Add support for CSV comments
  • PR #2777: 2644 Extend casts to sequences, arrays, maps, and records
  • PR #2776: 2769 repeatability of rng next
  • PR #2768: 2740 Drop constructor functions from built-in records
  • PR #2767: 2750 Make fn:unparsed-text, … nondeterministic
  • PR #2761: 2758 Add rules for visibility of named types across packages
  • PR #2760: 2521 URIs: unify handling of fragment identifiers
  • PR #2757: 2569 Rules for unprefixed function calls with explicit default function ns
  • PR #2739: 2738 XSLT - tree terminology
  • PR #2734: 2733 A step too far
  • PR #2719: 1234 Serialization Parameters: Indentation, Whitespace, Newlines
  • 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 #2707: 1962 fn:map-to-element
  • PR #2696: 2695 Apply templates to maps, arrays, and JNodes

3. Any other business