QT4 CG Meeting 144 Agenda 2025-12-02

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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 2 December 2025.

The next meeting is planned for 9 December 2025.

The CG will meet on 2, 9, and 16 December, then recess for the end-of-year holidays, with the following meeting on 6 January 2026.

1.5. Review of open action items [0/4]

  • [ ] QT4CG-143-01: CG to make another attempt at binary functions.
  • [ ] 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.

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 #2309: Allow SimpleMapExpr after ArrowExpr
  • 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 #2320: 2310 Reinstate spec for infix // operator
  • PR #2318: 2317 Correct signature of fn:civil-timezone

1.6.3. Substantive PRs

The following substantive PRs were open when this agenda was prepared. Only some of these will be discussed, as shown below.

  • PR #2324: 2278 bin:infer-encoding, bin:decode-string
  • PR #2323: 2322 Generalize simplified stylesheets
  • PR #2319: 2311 Change default XSLT pattern priorities
  • PR #2313: 2298 XQFO rules: definition of default values
  • PR #2301: 2198 Add cdata attribute to xsl:text and xsl:value-of
  • PR #2283: 2276 Relax XSLT rules on Extension Attributes
  • PR #2282: 2278 Add function bin:infer-encoding; simplify bin:decode-string
  • PR #2281: 2280 Usability of xsl:array-member
  • PR #2274: 407 Function items capturing XSLT context components
  • PR #2266: 540 system-property equivalent for XQuery
  • PR #2256: 2216 All atomic types become ordered
  • PR #2019: 1776: XSLT template rules for maps and array

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 #1584: Review the XML Schema and RELAX NG schemas for XSLT 4.0 for compatibility
  • Issue #1045: Functions to manage namespace usage
  • Issue #1011: fn:transform() improvements
  • Issue #675: XSLT streaming rules for new constructs
  • Issue #407: XSLT-specific context properties used in function items
  • Issue #272: Setting parameter values in xsl:use-package

2. Technical agenda

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

See PR #2256.

DN and LQ (Liam Quin) have indicated that this PR is now ready for discussion. It’s on the agenda this week only as a heads-up. I propose that we discuss it next week. DN and LQ will join the call.

2.2. PR #2256: 2216 All atomic types become ordered

See PR #2256.

2.3. PR #2324: 2278 bin:infer-encoding, bin:decode-string

See PR #2324. See also PR #2282.

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

See PR #2313.

2.5. PR #2301: 2198 Add cdata attribute to xsl:text and xsl:value-of

See PR #2301.

2.6. PR #2323: 2322 Generalize simplified stylesheets

See PR #2323.

2.7. PR #2319: 2311 Change default XSLT pattern priorities

See PR #2319.

2.8. PR #2283: 2276 Relax XSLT rules on Extension Attributes

See PR #2283.

2.9. PR #2281: 2280 Usability of xsl:array-member

See PR #2281.

2.10. PR #2274: 407 Function items capturing XSLT context components

See PR #2274

3. Any other business