QT4 CG Meeting 078 Agenda 2024-05-21

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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 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 21 May. The following meeting is scheduled for 28 May.

MK gives regrets.

1.5. Review of open action items [0/8]

(Items marked [X] are believed to have been closed via email before this agenda was posted.)

  • [ ] QT4CG-063-06: MK to consider refactoring the declare item type syntax to something like declare record
  • [ ] QT4CG-071-06: NW to clarify the cases that are distinguished by the leading empty string in path segments
  • [ ] QT4CG-072-03: NW to clarify the round-tripping of URIs
  • [ ] QT4CG-073-01: NW to proceed with the records/options proposal and make a PR.
  • [ ] QT4CG-077-01: DN to create an issue for adding Blake-3.
  • [ ] QT4CG-077-02: JK to correct the reference to TR29.
  • [ ] QT4CG-077-03: MK to add a note about document order across documents
  • [ ] QT4CG-077-04: MK to review inconsistencies discovered in review of #1117

1.6. Review of open pull requests and issues

1.6.1. Blocked

The following PRs are open but have merge conflicts or comments which suggest they aren’t ready for action.

  • PR #956: 850-partial Editorial improvements to parse-html()
  • PR #832: 77 Add map:deep-update and array:deep-update
  • PR #529: 528 fn:elements-to-maps

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 #1223: Minor: fixed URL
  • PR #1222: 1214: hash examples
  • PR #1220: 73 copy&paste typo in fn:graphemes (combining diaeresis should be ZWJ)

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 #652: Defining a common function library for XPath, XSLT, and XQuery applications
  • Issue #116: Clarify the fn:transform function() wrt multiple top-level elements

1.6.4. XSLT focused

The following PRs appear to be candidates for a future XSLT-focused meeting.

  • PR #1181: 296 Allow default-namespace=##any
  • PR #1015: 1013 [XSLT] Clarify effect of accumulator capture on non-element nodes
  • PR #921: 920 Allow xsl:break and xsl:next-iteration within branch of xsl:switch
  • PR #871: Action qt4 cg 027 01 next match

These issues identify the XSLT-focused changes that have been made to the specifications but which have not been established by the community group as the status quo.

  • Issue #168: XSLT Extension Instructions invoking Named Templates

1.6.5. Substantive PRs

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

  • PR #1228: Adding the BLAKE3 hashing algorithm to fn:hash
  • PR #1227: PR resubmission for fn ranks
  • PR #1219: 1218 Drop use of union(A,B) syntax
  • PR #1217: 1207 Allow numeric predicates when filtering arrays
  • PR #1213: 1199 Add ellipsis markup for arguments in variadic functions
  • PR #1212: 1208 correct details of formerly-reserved function names
  • PR #1211: QT4CG-076-01 Add examples of coercions
  • PR #1209: 1183 Add transient mode and the transient{} expression
  • PR #1197: 1192 Allow fn as abbreviation for function
  • PR #1191: 1167, 934 deep equal merge collations param
  • PR #1185: 1179 array:values, map:values → contents
  • PR #1117: 1116 Add options param to unparsed-text
  • PR #1108: 566-partial Describe a less aggressive %-encoding for fn:build-uri
  • PR #1098: 566-partial Editorial improvements for parse-uri
  • PR #1062: 150bis - revised proposal for fn:ranks

1.6.6. Proposed for V4.0

The following issues are labled “proposed for V4.0”.

  • Issue #1069: fn:ucd
  • Issue #982: Add position argument to scan-left and scan-right
  • Issue #938: Canonical serialization
  • Issue #934: String comparison in deep-equal
  • Issue #910: Introduce a Kollection object with functions that operate on all types of items that can be containers of unlimited number of "members"
  • Issue #908: Function identity: documentation, nondeterminism
  • Issue #882: fn:chain or fn:compose
  • Issue #850: fn:parse-html: Finalization
  • Issue #716: Generators in XPath
  • Issue #689: fn:stack-trace: keep, drop, replace with $err:stack-trace ?
  • Issue #657: User-defined functions in main modules without `local` prefix
  • Issue #557: fn:unparsed-binary: accessing and manipulating binary types
  • Issue #150: fn:ranks: Produce all ranks in applying a function on the items of a sequence
  • Issue #31: Extend FLWOR expressions to maps

2. XML Prague agenda preparation

  • Reminder, who will be there?
  • What do we want to accomplish?
  • Scheduling?
    • We know some folks won’t be able to attend, I propose that we schedule an hour Zoom call at the end of the day for anyone not present who wants to discuss what we’ve decided. Perhaps scheduled at the usual time of 17:00CEST (16:00BST, 15:00GMT, 11:00EDT)?
      • If so, do we want to meet from 09:00-18:00 or 10:00-18:00 local time?

3. Technical Agenda

It would be nice to pick off the low-hanging fruit first in preparation for the face-to-face. I suggest we take the issues in turn, but begin by estimating if we believe we can close the issue in 10 minutes. If not, move on to the next. After we’ve processed all the “easy” ones, we can loop back around to what’s left.

3.1. PR #1117: 1116 Add options param to unparsed-text

See PR #1117

3.2. PR #1197: 1192 Allow fn as abbreviation for function

See PR #1197.

3.3. PR #1191: 1167, 934 deep equal merge collations param

See PR #1191.

3.4. PR #1185: 1179 array:values, map:values → contents

See PR #1185.

3.5. PR #1062/#1027/#1227: fn:ranks

See PR #1227 See PR #1062 See PR #1027

3.6. PR #1228: Adding the BLAKE3 hashing algorithm to fn:hash

See PR #1228

3.7. PR #1219: 1218 Drop use of union(A,B) syntax

See PR #1219

3.8. PR #1217: 1207 Allow numeric predicates when filtering arrays

See PR #1217

3.9. PR #1213: 1199 Add ellipsis markup for arguments in variadic functions

See PR #1213

3.10. PR #1212: 1208 correct details of formerly-reserved function names

See PR #1212

3.11. PR #1211: QT4CG-076-01 Add examples of coercions

See PR #1211

3.12. PR #1209: 1183 Add transient mode and the transient{} expression

See PR #1209

3.13. PR #1108: 566-partial Describe a less aggressive %-encoding for fn:build-uri

See PR #1108

3.14. PR #1098: 566-partial Editorial improvements for parse-uri

See PR #1098

4. Any other business