QT4 CG Meeting 176 Agenda 2026-08-18

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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 18 August 2026.

The next meeting is planned for 25 August.

1.5. Review of open action items `[0/7]`

[ ] QT4CG-143-02: MK to try to recover the ability to extract formal equivalences into tests
[ ] 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-167-09: 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.

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 #2814: 2393 array:members and array:of-members using JNodes
PR #2768: 2740 Drop constructor functions from built-in records
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 #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 #2831: 2809 fn:deep-equal, debug option: nondeterminism
PR #2829: 2828 File Module: editorial notes
PR #2826: 2772 Editorial Notes (July 2026 edition)

1.6.3. Substantive PRs

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

PR #2841: 2838 rename decode-from-uri as decode-uri
PR #2842: 2801 Align the output of matching-segments() and regex-groups()
PR #2840: 2825 Generalize fn:jtree to accept any value as input
PR #2839: 2836 Add fn:location function
PR #2834: 2830 Clarify the effect of the line-ending serialization parameter
PR #2833: 2263 New named record types
PR #2832: 2808 strip-space option: fn:doc vs. fn:parse-xml
PR #2824: 2823 fn:scan: an alternative attempt
PR #2822: 2821 XHTML prefix normalization rules lead to xmlns="" namespace undeclarations
PR #2805: 2802 Function identity removed
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

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

Doing the recent PRs first this week.

2.1. PR #2841: 2838 rename decode-from-uri as decode-uri

See PR #2841

2.2. PR #2842: 2801 Align the output of matching-segments() and regex-groups()

See PR #2842

2.3. PR #2840: 2825 Generalize fn:jtree to accept any value as input

See PR #2840

2.4. PR #2839: 2836 Add fn:location function

See PR #2839

2.5. PR #2834: 2830 Clarify the effect of the line-ending serialization parameter

See PR #2834

2.6. PR #2833: 2263 New named record types

See PR #2833

2.7. PR #2832: 2808 strip-space option: fn:doc vs. fn:parse-xml

See PR #2832

2.8. PR #2824: 2823 fn:scan: an alternative attempt

See PR #2824

2.9. PR #2822: 2821 XHTML prefix normalization rules lead to xmlns="" namespace undeclarations

See PR #2822

2.10. PR #2805: 2802 Function identity removed

See PR #2805

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

See PR #2797

2.12. PR #2796: 2352 Trusted execution: clarifications

See PR #2796

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

See PR #2795

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

See PR #2789