QT4 CG Meeting 148 Agenda 2026-01-13

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Agenda

This meeting will be hosted on Zoom at 16:00GMT (17:00CET, 11:00EST).

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 meeting

Minutes of the previous meeting.

1.4. Next meeting

This meeting is planned for 13 January 2026.

The next meeting is planned for 20 January 2026.

1.5. Review of open action items [1/5]

  • [ ] QT4CG-143-02: MK to try to recover the ability to extract formal equivalences into tests
  • [ ] QT4CG-143-03: JK to look for C14N test suites.
  • [ ] QT4CG-144-01: MK to consider if any now lost value comparisons should be added as examples.
  • [ ] QT4CG-147-01: MK to fix the change markup entry for fn:curent-merge-group; it refers to the wrong function name.
  • [X] QT4CG-147-02: NW to chase up DN and LQ about follow-up to the generator discussion

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 #2345: 2299 Expand pipeline to allow arrow expression in path expression
  • PR #2266: 540 system-property equivalent for XQuery
  • PR #2160: 2073 data model changes for JNodes and Sequences
  • PR #2124: 573 Functions to Construct Trees
  • PR #2071: 77c deep update
  • PR #2019: 1776: XSLT template rules for maps and array

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 #2377: 2195 F+O Editorial Corrections
  • PR #2375: 2195 Editorial Omnibus
  • PR #2371: 2369 Add content for F&O section 11 (Processing binary values)
  • PR #2368: 2367 Misc XSLT editorial fixes
  • PR #2358: 2357 Standardize on element() rather than element(*)

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 #1934: Supporting RELAX NG validation
  • Issue #1591: Implausible filter expressions

1.6.4. Substantive PRs

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

  • PR #2376: 2337 Extend xsl:mode/@typed to handle JNodes etc
  • PR #2373: 2359 No conversion to JNode in absolute paths
  • PR #2372: 2344 Change rendition of PIs in HTML5
  • PR #2364: 2088 File Module: Feedback, Observations
  • PR #2363: 2349 Revert array:join
  • PR #2362: 2355 bin:infer-encoding: further alignments
  • PR #2350: 708 An alternative proposal for generators
  • PR #2247: 716 Deferred Evaluation in XPath - the f:generator record
  • PR #2019: 1776: XSLT template rules for maps and array

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 #1584: Review the XML Schema and RELAX NG schemas for XSLT 4.0 for compatibility
  • Issue #1045: Functions to manage namespace usage
  • Issue #675: XSLT streaming rules for new constructs
  • Issue #272: Setting parameter values in xsl:use-package

2. Technical agenda

2.1. PR #2350: 708 An alternative proposal for generators

See PR #2350.

2.2. Issue #2351: Current Drafts: …

See issue #2351.

Last week, we discussed creating a dated, checkpoint draft. CG suggests we review this issue first.

2.3. PR #2313: 2298 XQFO rules: definition of default values

See PR #2313.

2.4. PR #2364: 2088 File Module: Feedback, Observations

See PR #2364.

2.5. PR #2363: 2349 Revert array:join

See PR #2363.

2.6. PR #2362: 2355 bin:infer-encoding: further alignments

See PR #2362.

2.7. PR #2372: 2344 Change rendition of PIs in HTML5

See PR #2372.

2.8. PR #2373: 2359 No conversion to JNode in absolute paths

See PR #2373.

2.9. PR #2247: 716 Deferred Evaluation in XPath - the f:generator record

See PR #2247.

2.10. PR #2376: 2337 Extend xsl:mode/@typed to handle JNodes etc

See PR #2376.

2.11. PR #2019: 1776: XSLT template rules for maps and array

See PR #2019.

3. Any other business