L2/23-230R4

UTC #177 Agenda

Wednesday, November 1 to Friday, November 3, 2023

Meeting Logistics
UTC Document Register
Unicode Technical Site
Unicode® Consortium Code of Conduct

Last updated: November 3, 2023

The UTC will be conducted as a hybrid online/in-person meeting. See the meeting logistics page for details.

Most topics are organized into categories according to working groups that have discussed topics in advance and provided recommendations. UTC discussions for the topic categories are pre-scheduled. Specific topics within each category will be discussed within the scheduled time window. In general, the schedule for individual topics may be fluid. In certain cases, however, specific topics may be scheduled for a specific time: see Scheduled Activies below.

See the meeting logistics page for a schedule summary.

Quorum will be verified each morning and throughout the meeting. All members need to make proxy designations in advance.

Dates and times shown are Pacific Standard time (UTC-08:00).

Scheduled Activities

The following individual topics are scheduled for discussion at specific times.

Agenda item / Topic Document Day and Time
G. Emoji L2/23-236 Wednesday, 1:30 pm
F.2 Text Terminal Working Group report -- Friday, 9:40 am

See the meeting logistics page for a schedule summary.

A. Administrative Topics

Schedule: Wednesday, 10:30 am; Thursday 9:30 am; Friday 9:30 am & afternoon

A.1 Consortium membership; meeting quorum and proxies

A.2 Agenda review

A.3 Approval of minutes of prior meeting [L2/23-157]

A.4 Action item review

Documents:

A.5 Calendar review [Calendar]

A.6 PRI closing dates [Public Review Issues]

A.7 INCITS/CS&I representatives

B. Liaison Reports & Technical Topics

Schedule: Wednesday morning & afternoon; Thursday afternoon; Friday afternoon

B.1 ISO/IEC JTC 1/SC 2

B.1.1 ISO/IEC 10646:2020 Amendment 2: CDAM2.3 (SC2 document N4876)


B.1.2 Maintenance of ISO/IEC 14651


B.1.3 Proposal to Maintain UCS Repertoire via a Maintenance Agency [Constable, L2/23-265]


B.1.4 ISO/IEC CD TR 2375 (SC2 document N4881)

B.2 IRG (see also IRG topics under E.1)

B.3 ICU

B.3.1 ICU-TC


B.3.2 ICU4X-TC

B.4 CLDR Liaison Report for UTC #177 [Peter Edberg, L2/23-270]

B.5 ISO TC 37/SC 2

B.5.1 Next steps for ISO 12199 (ISO/TC 37/SC2 N 1094) [TC 37/SC 2, L2/23-224]

B.5.2 ISO 639:2023

Documents:

B.6 IETF / ICANN

B.7 SEI Liaison Report [Anderson, L2/23-239]

B.8 INFITT

B.9 LSA

B.10 ISO/IEC JTC 1/SC 22

B.10.1 Unicode liaison report to ISO/IEC JTC 1/SC 22 #42 [Robin Leroy, L2/23-195]

B.11 ISO TC 46

B.12 ECMA TC 39

C. Editorial Committee

Schedule: Wednesday morning

Discussion led by EdComm acting chair, Ken Whistler

C.1 Editorial Committee Report and Recommendations for UTC #177 Meeting [EDC, L2/23-235]

  • Unicode 16.0
  • Core specification future development
  • Editorial Committee processes
  • Public review feedback (July 4 – October 11, 2023) routed to Editorial Committee [Rick McGowan, L2/23-233]

D. Scripts

Schedule: Thursday morning & afternoon

D.1 Recommendations to UTC #177 July 2023 on Script Proposals [Anderson, et al, L2/23-238]

Discussion led by Script Ad-Hoc chair, Debbie Anderson, and vice-chair, Roozbeh Pournader


D.1.1 Proposals requiring UTC action

Topics requring UTC action:
  • Egyptian Hieroglyphs
    • Working draft of Proposed Draft Unicode Standard Annex #57: Egyptian Hieroglyph Database [Michel Suignard, L2/23-253]
    • Standardized Variation Sequences stability [Michel Suignard, L2/23-254]
    • Encoding proposal for an extended Egyptian Hieroglyphs repertoire (WG2 N5240) [Michel Suignard, L2/23-181]
  • Latin: lambda characters [Kevin King, L2/23-197]
  • Latin: pharyngeal voiced fricative characters [Denis Moyogo Jacquerye, L2/23-219]
  • Arabic: double vertical bar below [Lateef Sagar Shaikh, L2/23-248]
  • Arabic: Kashmiri yeh [Manish Goregaokar, L2/23-241]
  • Arabic: UTR #53, Unicode Arabic Mark Rendering (see D.2)
  • Sumero-Akkadian Cuneiform (see D.3)
  • Tangut
    • Glyph corrections for four Tangut ideographs (WG2 N5237) [Andrew West, L2/23-148]
    • Evidence for Glyph Forms of U+17121 and U+17C51 [Andrew West, L2/23-155]
    • Proposal to encode 114 Tangut components (WG2 N5218R2) [Andrew West, L2/23-247]
    • Proposal to encode 2 Tangut components and 28 Tangut ideographs (WG2 N5217R2) [Andrew West, L2/23-246]
  • Khitan Small Script: Glyph correction for U+18BD2 [Andrew West, L2/23-199]
  • Tulu-Tigalari: Summary of Script Extensions [Srinidhi A, Sridatta A, L2/23-217]
  • Preliminary Proposal to Encode the Kurux Banna [Biswajit Mandal, L2/23-223]
  • Compound tone diacritics [Kirk Miller, L2/23-208]
  • Harrington diacritics [Yoram Meroz, et al, L2/23-206]
  • Asteroid symbols [Gavin Jared Bala, Kirk Miller, L2/23-207]
  • Chemical symbols [Neil Soiffer, Murray Sargent, Asmus Freytag, L2/23-193]
  • Geomantic figures [George Pollard, L2/23-218]
  • Legacy computing symbols: Proposal to disunify symbols for legacy computing from emoji [Rebecca Bettencourt, Doug Ewell, L2/23-252]
  • Standardized variation sequences for four quotation marks [Lunde, L2/23-212]
  • Indic: Invariants between Indic positional and syllabic categories and general category [Norbert Lindenberg, L2/23-200]
  • Indic: Re-ordering virama [Norbert Lindenberg, L2/23-205]
  • Indic: Required conjunct forms in extended grapheme clusters [Norbert Lindenberg, L2/23-141]

D.1.2 Documents not requiring UTC action

Other script documents

D.2 PRI #479: Proposed Update UTR #53, Unicode Arabic Mark Rendering

Documents:

D.3 PRI #482: Proposed Draft UTR #56, Unicode Cuneiform Sign Lists

Documents:

D.4 Script exemplars

  • Status update on the Script Exemplars project [Roozbeh Pournader, L2/23-263]

D.5 Other work in progress

D.5.1 Do Not Emit data (Roozbeh Pournader)

D.5.2 Orthographic syllable structures (Lawrence Wolf-Sonkin et al)

D.6 Public review feedback (July 4 – October 11, 2023) routed to Script Ad-Hoc [Rick McGowan, L2/23-233]

D.7 Trip Report [Craig Cummings]

D.8 Khitan Small Script candidate for Unicode 16.0

  • UTC consensus 175-C15
  • Proposal to encode a blank character for Khitan Small Script [Andrew West, L2/23-065]

E. CJK and Unihan

Schedule: Wednesday afternoon

Discussion led by CJK and Unihan Group chair, Ken Lunde

E.1 CJK & Unihan Group Recommendations for UTC #177 Meeting [Ken Lunde, L2/23-237]

Topics:
  • GB 18030-2022 Amendment 1
    • IRG #61 Activity Report [China NB, L2/23-240]]
  • Public review feedback: PRI #483 Proposed Update UAX #38 (see E.2)
  • Public review feedback (July 4 – October 11, 2023) routed to CJK and Unihan Group [Rick McGowan, L2/23-233]
  • UAX #38 Unicode Han Database (Unihan) (see also E.2)

    Documents:

    • Request for Horizontal Extension in the J-column of ISO/IEC 10646 (WG2 N5221) [Japan NB, L2/23-144]
    • Unihan property feedback for CJK Ext. I [Eiso Chan, L2/23-209]
    • Request to up date the G Source reference for U+320DD (IRG N2648) [Eiso Chan, H. W. Ho, L2/23-225]
    • Request to confirm one unification for U+2C21C (IRG N2636) [Eiso Chan, L2/23-243]
  • UAX #45, U-source Ideographs (see also E.3)

    Documents:

    • Proposal to encode one ideograph for Korean place names to UAX #45 [Jiseop LEE, L2/23-202]
    • Proposal to add one common character used for one kind of bird in Cantonese to UAX #45 [Eiso Chan, L2/23-213]
    • Proposal to add one common character to mark the rhythm of Chinese traditional music to UAX #45 [Eiso Chan, L2/23-214]
    • Proposal to add one character used for ancient geographical name related to Mazu belief and customs to UAX #45 [xxx, L2/23-226]
    • IRG Working Set 2024
  • Other topics / documents

    Documents:

    • Proposal to update Appendix F: Documentation of CJK Strokes in Unicode 16.0 [Night Koo, L2/23-116]
    • Proposal to update representative glyph of U+3029 SUZHOU NUMERAL NINE [Night Koo, L2/23-167]
    • Feedback on L2/23-167 (Proposal to update representative glyph of U+3029 SUZHOU NUMERAL NINE) [Eiso Chan, L2/23-227]
    • US/Unicode Activity Report for IRG #61 Meeting [Ken Lunde, L2/23-204]
    • Proposal to add an RSIndex.txt data file to each release of the Unicode Standard [Ken Lunde, L2/23-211]
    • Proposal to add standardized variation sequences for four quotation marks (revised) (See also D.1.1) [Ken Lunde, L2/23-212]
    • Proposal to encode (disunify) two stroke characters in CJK Strokes block [Night Koo, L2/23-220]
    • Proposal to modify the representative glyph of U+31D2 CJK STROKE P [Night Koo, L2/23-221]
    • Proposal to Change Glyph of U+21128 (IRG N2651) [Vietnam NB, L2/23-242]
    • Suggestions to correct representative glyphs of 4 CJKUIs (IRG N2616) [Xieyang Wang, L2/23-244]
    • Proposal to update the reference glyphs for 3 characters (IRG N2642) [Kushim Jiang, L2/23-245]
    • Editorial Report on Miscellaneous Issues (IRG N2622) [IRG, L2/23-249]
    • IRG Meeting #61 Recommendations and Action Items (IRG N2620) [IRG, L2/23-250]
    • UTC Action Item 151-A142 Redux

E.2 PRI #483 Proposed Update UAX #38, Unicode Han Database (Unihan)

Documents:

F. Properties and Algorithms

Schedule: Friday morning & afternoon

F.1 PAG: UTC #177 properties feedback & recommendations [Markus Scherer, et al, L2/23-234]

Topics / documents:
  • Core spec: Clarify guidance for use of a BOM as a UTF-8 encoding signature [Tom Honermann, L2/21-038]
  • Core spec: Remove ambiguity from D14 Noncharacters for Unicode 16.0 [Asmus Freytag, L2/23-201]
  • UCD: Future maintenance of UAX #42 (UCDXML)
  • UCD: Changes for new characters in 16.0
  • UCD: Discrepancy between the numeric values for U+5146 and U+79ED
  • UCD: Bug with "cursor" listings in Character Name Index
  • UCD: Inconsistent use of semicolon reported in data files
  • UCD: Alphabetic combining letters
  • Review of Script Ad Hoc topics
  • UAX for Tangut source data
  • Normalization: document optimization of mapping+normalization
  • Line break: Revisit change of some digits lb=NU -> ID
  • Segmentation: UAX #29 Section 6.3: "easily converted"
  • Linebreak assignments of U+1F8B0 and U+1F8B1
  • Collation: UTS #10 obsolete example v=w
  • Collation: DUCET contractions with 3+ equivalent sequences
  • Security: Should the default UTS #39 confusability be bidi-aware?
  • Security: UAX #31 and UTS #55 should point to D145 and mention the need for NFD before toNFKC_Casefold
  • Proposal to Define Variation Sequences for Emoji Mapped to Legacy Computing Symbols [Charlotte Buff, L2/23-142]
  • Math: Incorrect Math Classifications in UTR #25
  • Unicode 16.0: Proposed updates of UAX #14, UAX #15, UAX #29, UAX #31, UAX #42, UAX #44, UTS #16, UTS #39
  • Proposed updates of UTS #55, UTR #25
  • Public review feedback (July 4 – October 11, 2023) routed to Properties and Algorithms Group [Rick McGowan, L2/23-233]

F.2 Text Terminal Working Group report [Dustin Howett]

Schedule: Friday 9:40 am


G. Emoji

Schedule: Wednesday 1:30 pm
Discussion led by Emoji Subcommittee chair, Jennifer Daniel

G.1 Emoji Subcommittee Report for UTC #177 (2023Q4) [ESC/Jennifer Daniel, L2/23-236]

Topics:

  • Emoji 16.0

    Documents:

    • Proposal for Leafless Tree Emoji [Brian Baihaki, L2/23-255]
    • Proposal for Emoji: HARP[Mary Lattimore, Theo Schear, L2/23-256]
    • Beet [emoji proposal] [Thomas Woodside, Nicholas Beninato, L2/23-257]
    • Proposal for Emoji: FINGERPRINT [Gregory Fiumara, Rafaella Ferraro, L2/23-258]
    • Proposal for Emoji: SHOVEL [Justdiggit Foundation, Tim Dekens, L2/23-259]
    • Proposal for Emoji Eye Bags Face [Erin Collett, L2/23-260]
    • Splash Emoji [Aurora Zeng, Kamilé Demir, L2/23-261]
  • Flag for Sark
  • Emoji intake process

H. Unicode Release Management

Schedule: Wednesday morning

H.1 Release Management Group Report to UTC #177 [RMG/Peter Constable, L2/23-264]

I. Other business

I.1 Other feedback

Schedule: Friday, later afternoon

Documents:

  • Public review feedback (July 4 - October 11, 2023) [Rick McGowan, L2/23-233]

Meeting Adjournment