QT4 CG Meeting 180 Agenda 2026-09-15

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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 15 September.

The next meeting is planned for 22 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-167-07: 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-176-01: NW to see about improving the linking for record types.
[ ] QT4CG-177-01: NW to put the progress graphs back in the minutes.
[ ] QT4CG-179-01: CG to fix the typo “or absent” in 14.6.5.

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 #2831: 2809 fn:deep-equal, debug option: nondeterminism
PR #2815: 2567 Extended and restricted record types
PR #2789: 2787 XQuery changes to merge declare record and declare type
PR #2760: 2521 URIs: unify handling of fragment identifiers
PR #2247: 716 Deferred Evaluation in XPath - the f:generator record
PR #2350: 708 An alternative proposal for generators

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 #2904: 2902 Document option trusted => trust-external
PR #2896: Add Christian Grün as joint editor
PR #2894: 2883 Effect of strip-space="conditional" on parse-xml[-fragment]
PR #2893: Improve formatting of F&O examples
PR #2868: 2867 fn:current everywhere

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 #2679: List of recent pull requests is not useful

1.6.4. Substantive PRs

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

PR #2907: 2906 Alternative for +:=: put
PR #2905: 2900 Map to Record Coercion
PR #2903: 2901 element-to-map: errors in the conversion plan
PR #2899: 2898 Errors in castable expression
PR #2895: 2882 load-xquery-module: clarify handling of default parameters
PR #2886: 1459 Function properties and arities
PR #2885: 2849 xs:integer vs. restricted subtypes
PR #2881: 2873 fn:update: another attempt
PR #2878: 2073 JNodes and Sequences
PR #2862: 2861 Clarify CSV serialization edge cases

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 #2907: 2906 Alternative for +:=: put

See PR #2907

2.2. PR #2905: 2900 Map to Record Coercion

See PR #2905

2.3. PR #2903: 2901 element-to-map: errors in the conversion plan

See PR #2903

2.4. PR #2899: 2898 Errors in castable expression

See PR #2899

2.5. PR #2895: 2882 load-xquery-module: clarify handling of default parameters

See PR #2895

2.6. PR #2886: 1459 Function properties and arities

See PR #2886

2.7. PR #2885: 2849 xs:integer vs. restricted subtypes

See PR #2885

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

See PR #2881

2.9. PR #2878: 2073 JNodes and Sequences

See PR #2878

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

See PR #2862