QT4 CG Meeting 185 Agenda 2026-10-20

Agenda index / QT4CG.org / Dashboard / GH Issues / GH Pull Requests

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.

Heads up: daylight saving time ends in the UK and Europe on 25 October 2026. It ends in the United States on 1 November 2026. Our meetings are scheduled on European civil time, consequently, our meeting of 27 October 2026 will occur one hour later in the United States at 12:00EDT.

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 20 October.

The next meeting is planned for 27 October.

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-170-01: RD to draft a proposal that attempts to address the lexical issues differently.
[ ] QT4CG-177-01: NW to put the progress graphs back in the minutes.
[ ] QT4CG-182-01: NW to review CG’s diff script

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 #2948: 2919 fn:distinct-by
PR #2831: 2809 fn:deep-equal, debug option: nondeterminism
PR #2247: 716 Deferred Evaluation in XPath - the f:generator record

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 #2990: 2989 Clarify coercion of external values for global variables

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 #2860: Add a function that converts an absolute URI into a relative URI with respect to a given base
Issue #285: Stability of collections

1.6.4. Substantive PRs

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

PR #2993: 2991 Rules for Untrusted Functions (part 1)
PR #2988: 2983 Expand and Extend Regex Formalism
PR #2986: 2897 Namespace Axis
PR #2985: 2984 Serialization parameters unified
PR #2981: 2980 Adaptive serialization: modes
PR #2979: 2972 Simplify record types
PR #2978: 2972 Records and simplicity
PR #2918: 2600 Options on fn:collection()
PR #2885: 2849 xs:integer vs. restricted subtypes
PR #2881: 2873 fn:update: another attempt
PR #2350: 708 fn:generate

2. Technical agenda

2.1. Issue #2914: Define a new char/codepoint type.

See Issue #2914

2.2. PR #2350: 708 fn:generate

See PR #2350

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

See PR #2881

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

See PR #2885

2.5. PR #2918: 2600 Options on fn:collection()

See PR #2918

2.6. PR #2978: 2972 Records and simplicity

See PR #2978

2.7. PR #2979: 2972 Simplify record types

See PR #2979

2.8. PR #2981: 2980 Adaptive serialization: modes

See PR #2981

2.9. PR #2985: 2984 Serialization parameters unified

See PR #2985

2.10. PR #2986: 2897 Namespace Axis

See PR #2986

2.11. PR #2988: 2983 Expand and Extend Regex Formalism

See PR #2988

2.12. PR #2993: 2991 Rules for Untrusted Functions (part 1)

See PR #2993