QT4 CG Meeting 178 Agenda 2026-09-01

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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 1 September.

The next meeting is planned for 8 September.

1.5. Review of open action items `[0/9]`

[ ] QT4CG-143-02: MK to try to recover the ability to extract formal equivalences into tests
[ ] 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-167-09: 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.
[ ] QT4CG-174-01: MK to make an issue or otherwise address CG’s comments on #2734.
[ ] QT4CG-176-01: NW to see about improving the linking for record types.
[ ] QT4CG-176-02: MK to refine the strip-space option so that it takes account of historical defaults.
[ ] QT4CG-177-01: NW to put the progress graphs back in the agendas.

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 #2760: 2521 URIs: unify handling of fragment identifiers
PR #2350: 708 An alternative proposal for generators
PR #2247: 716 Deferred Evaluation in XPath - the f:generator record
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 #2880: Some XSLT proofreading errors
PR #2877: 2827 Editorial Notes (August 2026 edition)
PR #2871: 2813 [XSLT] Reorganise sections 25 and 26
PR #2870: 2837 Corrections to schema for XSLT 4.0
PR #2865: Updated: 2863 Records: drop outdated extensible and required attributes

1.6.3. Substantive PRs

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

PR #2881: 2873 fn:update: another attempt
PR #2878: 2073 JNodes and Sequences
PR #2875: 2874 Formal equivalencies: bugs
PR #2871: 2813 [XSLT] Reorganise sections 25 and 26
PR #2870: 2837 Corrections to schema for XSLT 4.0
PR #2869: 2820 Revise cast expressions to avoid the need for occurrence indicators
PR #2868: 2867 fn:current everywhere
PR #2862: 2861 Clarify CSV serialization edge cases
PR #2831: 2809 fn:deep-equal, debug option: nondeterminism
PR #2815: 2567 Extended and restricted record types
PR #2797: 2699 fn:element-to-map: validation
PR #2796: 2352 Trusted execution: clarifications
PR #2795: 2338 Nomenclature: node(), gnode(), xnode()
PR #2789: 2787 XQuery changes to merge declare record and declare type
PR #2768: 2740 Drop constructor functions from built-in records

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

CG proposed looking at the older PRs first today, so that’s the way I’ve ordered them. We can skip any that remain unready.

2.1. PR #2768: 2740 Drop constructor functions from built-in records

See PR #2768

2.2. PR #2789: 2787 XQuery changes to merge declare record and declare type

See PR #2789

2.3. PR #2795: 2338 Nomenclature: node(), gnode(), xnode()

See PR #2795

2.4. PR #2796: 2352 Trusted execution: clarifications

See PR #2796

2.5. PR #2797: 2699 fn:element-to-map: validation

See PR #2797

2.6. PR #2815: 2567 Extended and restricted record types

See PR #2815

2.7. PR #2831: 2809 fn:deep-equal, debug option: nondeterminism

See PR #2831

2.8. PR #2862: 2861 Clarify CSV serialization edge cases

See PR #2862

2.9. PR #2868: 2867 fn:current everywhere

See PR #2868

2.10. PR #2869: 2820 Revise cast expressions to avoid the need for occurrence indicators

See PR #2869

2.11. PR #2870: 2837 Corrections to schema for XSLT 4.0

See PR #2870

2.12. PR #2871: 2813 [XSLT] Reorganise sections 25 and 26

See PR #2871

2.13. PR #2875: 2874 Formal equivalencies: bugs

See PR #2875

2.14. PR #2878: 2073 JNodes and Sequences

See PR #2878

2.15. PR #2881: 2873 fn:update: another attempt

See PR #2881