L2/24-158R4

UTC #180 Agenda

Tuesday, July 23 to Thursday, July 25, 2024

Meeting Logistics
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Last updated: July 21, 2024

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.

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 Daylight time (UTC-07:00).

Schedule

See the meeting logistics page for a schedule summary. The following individual topics are scheduled for discussion at specific times.

Agenda item / Topic Document Day and Time
G. Emoji -- Wednesday, 9:50 am
E. CJK & Unihan -- Tuesday, 3:00 pm – 5:30 pm
F.1.1 Auto Spacing in CJK text L2/24-057 Wednesday, 4:00 pm

A. Administrative Topics

Schedule: Tuesday, 10:30 am & 2:00 pm; Wednesday 10:30 am; Thursday 9:30 am & afternoon

A.1 Consortium membership; meeting quorum and proxies

A.2 Agenda review

A.3 Approval of minutes of prior meeting [L2/24-061]

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: see meeting timeline

B.1 ISO/IEC JTC 1/SC 2

Topics:

B.1.1 SC2 Meeting #29 / WG2 Meeting #71

  • Recommendations from WG 2 meeting 71 (WG2 N5254) [WG2, L2/24-138]
  • IR Report from WG2 Meeting #71 and SC2 Meeting #29 [Deborah Anderson, L2/24-154]

B.1.2 CDAM2.4 to ISO/IEC 10646 6th edition (SC2/4904)

Documents:

  • CDAM2.4 Disposition of Comments [WG2/N5274]

B.1.3 Disposition of Comments on CD to ISO/IEC 14651 (Ed.7) (SC2/N4917)


B.1.4 Publication of ISO/IEC TR 2375:2024


B.1.5 Maintenance of UCS Repertoire via a Maintenance Agency

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

B.5 ISO TC 37/SC 2

  • ISO 639/MA Quarterly Newsletter [ISO 639 MA, L2/24-157]

B.6 IETF / ICANN

B.7 SEI Liaison Report [Anderson, L2/24-167]

B.8 INFITT

B.9 LSA

B.10 ISO/IEC JTC 1/SC 22

B.11 ISO TC 46

B.12 ECMA TC 39

B.13 Unicode Administration, Infrastructure Group

C. Editorial Working Group

Schedule: Tuesday morning

C.1 Editorial Working Group Report and Recommendations for UTC #180 Meeting [EDC, L2/24-163]

  • Unicode 16.0
  • Core specification future development
  • Website
  • Editorial Committee processes
  • Comments on Public Review Issues (April 3, 2024 – July 2, 2024) routed to Editorial Working Group [Rick McGowan, L2/24-161]
  • Public review feedback: PRI #502 Unicode 16.0 Beta (see H.2.1)
  • Miscellaneous topics
    • Suggested improvements to the code chart annotations of all Latin blocks [Eduardo Marín Silva, L2/24-169]
    • Proposal to refer to UTN #57 for implementing the Mongolian script [Liang Hai, L2/24-180]

C.2 PRI #499 Proposed Update UAX #41, Common References for Unicode Standard Annexes

Documents:

C.3 Other editorial topics

  • Corrections for 16.0 Tulu-Tigalari chart (PRI #502) [Vaishnavi Murthy Yerkadithaya, Vinodh Rajan, L2/24-149]
  • Proposed Update UTR #17 (cf. action items 176-A60, 176-A61)

D. Scripts

Schedule: Wednesday afternoon; Thursday morning & afternoon

D.1 Recommendations to UTC #180 July 2024 on Script Proposals [Anderson, et al, L2/24-166]

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


D.1.1 Proposals requiring UTC action

Topics requiring UTC action:
  • Egyptian Hieroglyphs
    • Additional Variation Selectors as Substitutes for Legacy v5.2 v15 Hieroglyphs [Daniel A. Werning, et al, L2/24-177]
    • Rationale for commenting out the variation sequence U+1333B U+FE00 for Ancient Egyptian [Peter Dils, et al, L2/24-175]
    • 3-tier system for Ancient Egyptian hieroglyphs [Mark-Jan Nederhof, et al, L2/24-176]
  • Proposal for Encoding the Sheek Bakrii Saphaloo Script (23MB) [Oreen Yousuf, Daniel Yacob, L2/24-109]
  • Proposal to encode Arabic Crown Letters [Manish Goregaokar, et al, L2/24-131]
  • Arabic: Fixing the Kashmiri Yeh [Manish Goregaokar, Roozbeh Pournader, L2/24-152]
  • Arabic: Misspellings in some honorific character names
  • Sixteen Quranic Arabic Characters [Rikza F. Sh., L2/24-178]
  • Sidetic [Anshuman Pandey, L2/23-019]
  • Suzhou letters for Cantonese music [Eiso Chan, L2/24-071]
  • Jurchen
    • Jurchen ideographs [Andrew West, et al, L2/24-139]
    • Jurchen radicals [Andrew West, et al, L2/24-140]
  • Miao [Lorna Evans, UTN #56 Representing Miao]
  • Bengali combining anusvara above [Jan Kučera, Charles Li, L2/24-153]
  • Mongolian font implementation [Liang Hai, L2/24-180]
  • Phonetics: modifier click letters [Kirk Miller, L2/24-052]
  • Phonetics: modifier voiceless implosive letters [Kirk Miller, L2/24-130]
  • Phonetics: modifier letters with palatal hook [Kirk Miller, L2/24-144]
  • Phonetics: modifer letters psi, omega [Kirk Miller, L2/24-145]
  • Phonetics: Greek letters with palatal hook [Kirk Miller, L2/24-146]
  • Phonetics: modifier Sinological extensions [Kirk Miller, L2/24-147]
  • Phonetics: historic IPA and para-IPA modifier letters [Kirk Miller, L2/24-171]
  • Musical symbols: slashed numbers used in figured bass [Gavin Jared Bala, Kirk Miller, L2/23-277]
  • Musical symbols: notes and rests [Gavin Jared Bala, Kirk Miller, L2/24-172]
  • Musical symbols: Turkish and Arabic accidentals [Gavin Jared Bala, Kirk Miller, L2/24-174]
  • Middle asterisk [Karl Pentzlin, L2/24-173]
  • Public review feedback: PRI #500 Draft UAX #57, Unicode Egyptian Hieroglyph Database (Unikemet) (see D.3)
  • Public review feedback: PRI #502 Unicode 16.0 Beta (see H.2.1)

D.1.2 Documents not requiring UTC action

Other script documents
  • Transnistrian ruble currency symbol [Ivan Adrianov, L2/24-134]
  • Historic characters used by Leibniz
    • Proposal to add historic scientific characters (WG2 N5277) [Uwe Mayer, et al, L2/24-141]
    • Leibniz project - Supplemental documents [Deborah Anderson, et al, L2/24-142]
  • Mongoalian letter for Manchu
    • Proposal to Encode One Manchu Letter [CheonHyeong Sim, et al, L2/24-025]
    • Feedback on the Proposal to Revise and Add Manchu Character U+1879 (L2/24-025) [China NB, L2/24-156]
    • Response to WG2N5265 [CheonHyeong Sim, L2/24-137]
  • Proposal to Include Punctuation of Old Turkic [Yazga, L2/24-132]
  • Unicode request for ExtIPA cartouche [Kirk Miller, Martin Ball, L2/24-182]
  • Fourth Revised Proposal to encode characters for the English Phonotypic Alphabet (EPA) [Karl Pentzlin, L2/24-136]
  • Preliminary Proposal to Add Kawi jihwāmūlīya and upadhmānīya [Aditya Bayu Perdana, L2/24-128]
  • (R)Unicode: Encoding and Sustainability Issues in Runology [Elisabeth Maria Magin, Marcus Smith, L2/24-129]
  • Proposal to Encode a Set of 128 User-Defined Variation Selectors (WG2 N5266) [Andrew West, Michael Everson, L2/24-148]
  • Ethiopic: selective ligations [Daniel Yacob, UTN #55 APPLICATION OF THE ZERO WIDTH JOINER MARK FOR SELECTIVE ETHIOPIC LIGATION]

D.1.3 Other documents (FYI, in-process)

Documents
  • On the future of MANDAIC LETTER KAD [Ben Joeng (Yang), L2/24-133]
  • Proposal for two geometric shapes for Japanese traditional calendars [Gen Kojitani, L2/24-151]
  • Proposal to add a new CJK Abbreviations block [Gen Kojitani, L2/24-125]
  • Comments on L2/24-125 [CheonHyeong Sim, L2/24-126]
  • Response to L2/24-126 (CheonHyeong Sim's Comments on L2/24-125) [Gen Kojitani, L2/24-135]

D.2 PRI #487: Proposed Update UAX #53, Unicode Arabic Mark Rendering

Documents:

D.3 PRI #500: Draft UAX #57, Unicode Egyptian Hieroglyph Database (Unikemet)

Documents:

E. CJK and Unihan

Schedule: Tuesday, 3:00 pm – 5:30 pm

Discussion led by CJK and Unihan Group chair, Ken Lunde

E.1 CJK & Unihan Group Recommendations for UTC #180 Meeting [Ken Lunde, L2/24-165]

Topics:
  • Public review feedback: PRI #483 Proposed Update UAX #38 (see E.2)
  • Public review feedback: PRI #484 Proposed Update UAX #50 (see E.3)
  • Public review feedback: PRI #501 Proposed Update UAX #11 (see E.4)
  • Public review feedback: PRI #502 Unicode 16.0 Beta (see H.2.1)
  • Comments on Public Review Issues (April 3, 2024 – July 9, 2024) routed to CJK and Unihan Group [Rick McGowan, L2/24-161]
  • UAX #38 Unicode Han Database (Unihan) (see also E.2)

    Documents:

    • Recommendations from WG 2 meeting 71 (WG2 N5254) [WG2, L2/24-138]
  • UAX #45, U-source Ideographs

    Documents:

    • Proposal to add one ideograph for a Korean place name to UAX #45 [Jiseop Lee, L2/24-127]
    • Proposal to add 23 Daoist characters used in Talismans to UAX#45 [Wang Xieyang, L2/24-179]
  • Other topics / documents

    Documents / topics:

    • Proposal to encode two small form CJK characters for Chinese [Andrew West, Eiso Chan, L2/23-284]
    • Proposal of the UNICODE AUTO SPACING [supersedes L2/23-283] [Koji Ishii, Yasuo Kida, L2/24-057]
    • Proposal to encode three stable extended Suzhou Numeral-like letters for Cantonese Music (revised) [Eiso Chan, L2/24-071]
    • Proposal to add a HangulSources.txt data file to the UCD [Ken Lunde, Jaemin Chung, L2/24-124]
    • CJK Abbreviations

      Documents:

      • Proposal to add a new CJK Abbreviations block [Gen Kojitani, L2/24-125]
      • Comments on L2/24-125 [CheonHyeong Sim, L2/24-126]
      • Response to L2/24-126 (CheonHyeong Sim's Comments on L2/24-125) [Gen Kojitani, L2/24-135]
    • Proposal for missing three Kana-Ligatures [Gen Kojitani, L2/24-150]
    • Proposal for two geometric shapes for Japanese traditional calendars [Gen Kojitani, L2/24-151]
    • UTC Submission for IRG Working Set 2024 (IRG N2687) [Ken Lunde, L2/24-155]
    • UTC Action Item 179-A35
    • IRG #63 meeting
    • Updated provisional Unihan properties

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

Documents:

E.3 PRI #484 Proposed Update UAX #50, Unicode Vertical Text Layout

Documents:

E.4 PRI #501 Proposed Update UAX #11, East Asian Width

Documents:

E.5 Other topics

Documents:

  • Proposal to Encode a Variant of 歲 [Zhiyu YUAN, L2/24-181]

F. Properties and Algorithms

Schedule: Wednesday morning, afternoon

F.1 PAG: UTC #180 properties feedback & recommendations [Markus Scherer, et al, L2/24-162]

Topics / documents:
  • Definition of Terminal_Punctuation
  • Typo in reference to U+0387 GREEK ANO TELEIA
  • DoNotEmit: replacement for U+0149
  • DoNotEmit: decomposed forms of Cyrillic letters
  • DoNotEmit: U+13217 EGYPTIAN HIEROGLYPH N035A
  • DoNotEmit: sequences used for Kashmiri
  • Script extensions for Duployan
  • Script extensions of two CJK strokes
  • Unikemet property and property value aliases
  • General category of two Chinese SMALL ER characters
  • Description of Hex_Digit
  • Names of Suzhou letters for Cantonese music (see also E.1)
    • Proposal to encode three stable extended Suzhou Numeral-like letters for Cantonese Music (revised) [Eiso Chan, L2/24-071]
  • Properties for various new scripts & characters
  • UAX #14 — line breaking
    • Linebreak property of U+00AD SOFT HYPHEN
    • Follow-up on UTC action items 172-A66, 172-A100
    • Linebreak property of U+19DA NEW TAI LUE THAM DIGIT ONE
    • Linebreak class descriptions
    • Implementability of LB10, LB21a
    • Default assignments in CJK Unified Ideographs, CJK Unified Ideographs Extension A
  • Proposal to change the East_Asian_Width property of various characters, and the derivation of Line_Break=Ambiguous [Jules Bertholet, L2/24-143]
  • UAX #29 — segmentation
    • Word boundaries and line breaks
    • Grapheme cluster boundaries, canonical equivalence and Kannada multi-part signs
    • Sentence_Break changes after 179-A113
  • Auto spacing in CJK text — see F.1.1
  • UTS #46 — IDNA
    • disallowed_STD3_valid and disallowed_STD3_mapped
    • Punycode decoding to ASCII only
  • Public Review Feedback: PRI #489: Proposed Update UAX #44, Unicode Character Database (see F.2.9)
  • Public Review Feedback: PRI #490: Proposed Update UAX #14, Unicode Line Breaking Algorithm
  • Public Review Feedback: PRI #491: Proposed Update UAX #31, Unicode Identifiers and Syntax (see F.2.7)
  • Public Review Feedback: PRI #494: Proposed Update UAX #29, Unicode Text Segmentation (see F.2.6)
  • Public Review Feedback: PRI #502: Unicode 16.0 Beta (see H.2.1)
  • Public Review Feedback: PRI #506: Proposed Update UAX #15, Unicode Normalization Forms (see F.2.4)
  • Comments on Public Review Issues (January 8, 2024 – April 3, 2024) routed to Properties and Algorithms Group [Rick McGowan, L2/24-063]

F.1.1 Auto Spacing in CJK text

  • UNICODE AUTO SPACING (Proposal) [Koji Ishii, et al, L2/24-057]

F.2 Proposed updates to Unicode Standard Annexes

Topics:

F.2.1 PRI #507: Proposed Update UAX #9, Unicode Bidirectional Algorithm

Documents:

F.2.2 PRI #501: Proposed Update UAX #11, East Asian Width

Documents:

F.2.3 PRI #490: Proposed Update UAX #14, Unicode Line Breaking Algorithm

Documents:

F.2.4 PRI #506: Proposed Update UAX #15, Unicode Normalization Forms

Documents:

F.2.5 PRI #503: Proposed Update UAX #24, Unicode Script Property

Documents:

F.2.6 PRI #494: Proposed Update UAX #29, Unicode Text Segmentation

Documents:

F.2.7 PRI #491: Proposed Update UAX #31, Unicode Identifiers and Syntax

Documents:

F.2.8 PRI #505: Proposed Update UAX #42, Unicode Character Database in XML

Documents:

F.2.9 PRI #489: Proposed Update UAX #44, Unicode Character Database

Documents:

F.3 Proposed updates to Unicode Technical Standards

Topics:

F.3.1 PRI #488: Proposed Update UTS #10, Unicode Collation Algorithm

Documents:

F.3.2 PRI #492: Proposed Update UTS #39, Unicode Security Mechanisms

Documents:

F.3.3 PRI #504: Proposed Update UTS #46, Unicode IDNA Compatibility Processing

Documents:

F.4 Text Terminal Working Group report [Fraser Gordon]

G. Emoji

Schedule: Wednesday, 9:50 am
Discussion led by Emoji Working Group chair, Jennifer Daniel

G.1 Emoji Standard and Research Working Group Report for UTC #180 (2024Q3) [ESC/Jennifer Daniel, L2/24-164]

Topics:

  • Public Review Feedback: PRI #496 Emoji 16.0 (See also G.2)
  • Gender & Skintone Support
  • Emoji Proposal Intake

G.2 PRI #496: Proposed Update UTS #51, Unicode Emoji

Documents:

H. Unicode Release Management

Schedule: Tuesday morning, Thursday afternoon

H.1 Release Management Group Report to UTC #180 [RMG/Peter Constable, L2/24-168]

H.2 Unicode 16.0 Beta & Release

H.2.1 PRI #502 Unicode 16.0 Beta

Documents:

H.2.2 Unicode 16.0 Release

I. Other business

I.1 Other feedback

Schedule: Thursday, later afternoon

Documents:

  • Comments on Public Review Issues (April 3, 2024 – July 2, 2024) [Rick McGowan, L2/24-161]

Meeting Adjournment