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Welcome to the home page for the MessageFormat Working Group, a subgroup of the Unicode CLDR-TC.
The Message Format Working Group (MFWG) is tasked with developing an industry standard for the representation of localizable message strings to be a successor to ICU MessageFormat. MFWG will recommend how to remove redundancies, make the syntax more usable, and support more complex features, such as gender, inflections, and speech. MFWG will also consider the integration of the new standard with programming environments, including, but not limited to, ICU, DOM, and ECMAScript, and with localization platform interchange. The output of MFWG will be a specification for the new syntax, which is expected to be on track to become a Unicode Technical Standard.
We are looking for participation from software developers, localization engineers and others with experience in Internationalization (I18N) and Localization (L10N). If you wish to contribute to this work, please review the information about the Contributor License Agreement.
To follow this work:
- Apply to join our mailing list
- Watch this repository (use the "Watch" button in the upper right corner)
To contribute to this work, in addition to the above:
- Each individual MUST have a copy of the CLA on file.
- Individuals who are employees of Unicode Member organizations SHOULD contact their member representative. Individuals who are not employees of Unicode Member organizations MUST contact the chair to request Invited Expert status. Employees of Unicode Member organizations MAY also apply for Invited Expert status, subject to approval from their member representative.
This is the agenda document for upcoming calls of the MessageFormat subcommittee. We normally meet weekly
on Mondays at 9:30 Pacific (America/Los_Angeles). This is currently UTC+7.
See here for your local time.
Information on joining calls is found in the calendar invite.
This block reserved for scribe rotation.
Recent scribes:
- 2024-10-07 TIM
- 2024-09-30 EAO
- 2024-09-09 HGO
- 2024-09-02 (no quorum)
- 2024-08-26 ECH
- 2024-08-19 MIH, ECH
- 2024-08-12 RGN
- 2024-08-05 TIM
- 2024-07-29 ECH
- 2024-07-22 HGO
- 2024-07-15 LCA, USA
- 2024-07-08 MIH
- 2024-07-01 TIM
- 2024-06-24 STA
- 2024-06-17 ECH
- 2024-06-10 n/a
- 2024-06-03 MRR
- 2024-05-20 MIH
- 2024-05-13 USA, TIM, ECH
- 2024-05-06 TIM, ECH
- 2024-04-29 ECH
- 2024-04-22 MRR
- 2024-04-15 MIH
- 2024-04-08 MRR
- 2024-03-25 TIM
- 2024-03-18 MIH
- 2024-03-04 RGN
- 2024-02-26 ECH
- 2024-02-xx everyone
- 2024-02-12 MIH
- 2024-02-05 SCA
- 2024-01-29 TIM
- 2024-01-22 STA
- 2024-01-15 MIH
- 2024-01-08 SCA (removing pre-2024 history)
- 2024-10-14 Regular Teleconference https://docs.google.com/document/d/10QKeAxzR7rZvv-AR2iPz16jO4PgxX-dBG74jq3gymvg/edit
The next regular meeting will be 14 October 2024 and is a Regular WG Teleconference call.
To request that the chair add an issue to the agenda, add the label Agenda+
To request that the chair add an agenda item, send email to the message-format-wg group email.
Let’s review the Task List:
The following issues are proposed for resolve:
- #797
- #786
- #752
- #703
The previous consensus was to allow unpaired surrogate code points in text but not in literal or other constructs. Mihai points out some issues with this.
This topic should take only a minute. The discussion here is whether to merge PR #806, marking the design as “obsolete” or just close the PR.
###: Topic: #799/#786 Possible simplification of the data model/unify input/local definitions This was homework for this week. The PR proposes to unify local and input declarations in the data model. We should accept or reject this proposal.
We should review this proposal and categorically accept or reject it for 46.1
Discussion of active PRs. We will merge or reject them in the call. The recommendation "discuss" is to ensure there is WG consensus before merging. The recommendation "merge with edits" is to merge once existing comments have been addressed. Discussion of active PRs. We will merge or reject them in the call.
| PR | Description | Recommendation |
|---|---|---|
| #906 | Allow surrogates in content | Discuss, Agenda+ |
| #905 | Apply NFC normalization during :string key comparison | Merge |
| #904 | Add tests for changes due to #885 (name/literal equality) | Merge |
| #903 | Fix fallback value definition and use | |
| #902 | Add tests for changes due to bidi/whitespace | Merge |
| #901 | Clarify note about eager vs. lazy evaluation | Discuss |
| #859 | [DESIGN] Number selection design refinements | Discuss |
| #846 | Add Unicode Registry definition | Discuss (#634) |
| #842 | Match numbers numerically | Discuss (Reject) |
| #814 | Define function composition for date/time values | Discuss |
| #806 | DESIGN: Add alternative designs to the design doc on function composition | Merge as Obsolete, Agenda+ |
| #799 | Unify input and local declarations in model | Discuss (for 14 Oct) |
| #798 | Define function composition for :string values | Discuss |
| #584 | Add new terms to glossary | Discuss |
What is the status of our various design docs?
| Doc | Description | Status |
|---|---|---|
| dataflow-composability | Data Flow for Composable Functions | Proposed |
| function-composition-part-1 | Function Composition | Proposed |
| maintaining-registry | Maintaining the function registry | Proposed (#624), Discuss |
Accepted, Obsolete, and Rejected Designs
| Doc | Description | Status |
|---|---|---|
| beauty-contest | Choose between syntax options | Obsolete |
| selection-matching-options | Selection Matching Options (ballot) | Obsolete |
| syntax-exploration-2 | Balloting of the revised syntax used in the Tech Preview | Obsolete |
| variants | A collection of message examples which require a branching logic to handle grammatical variations | Obsolete |
| formatted-parts | Define how format-to-parts works | Rejected |
| quoted-literals | Document the rationale for including quoted literals in MF and for choosing the | as the quote symbol | Accepted |
| builtin-registry-capabilities | Tech Preview default registry definition | Accepted |
| code-mode-introducer | Choose the pattern for complex messages | Accepted |
| data-driven-tests | Capture the planned approach for the test suite | Accepted |
| default-registry-and-mf1-compatibility | Default Registry and MF1 Compatibility | Accepted |
| delimiting-variant-patterns | Delimiting of Patterns in Complex Messages (Ballot) | Accepted |
| error-handling | Decide whether and what implementations do after a runtime error | Accepted |
| exact-match-selector-options | Choose the name for the “exact match” selector function (this is :string) |
Accepted |
| expression-attributes | Define how attributes may be attached to expressions | Accepted |
| number-selection | Define how selection on numbers happens | Accepted |
| open-close-placeholders | Describe the use cases and requirements for placeholders that enclose parts of a pattern | Accepted |
| overriding-extending-namespacing | Defines how externally-authored functions can appear in a message; how externally authored options can appear; and effect of namespacing | Accepted |
| pattern-exterior-whitespace | Specify how whitespace inside of a pattern (at the start/end) works | Accepted |
| string-selection-formatting | Define how selection and formatting of string values takes place. | Accepted |
| variable-mutability | Describe how variables are named and how externally passed variables and internally defined variables interact | Accepted |
| bidi-usability | Manage bidi isolation | Accepted |
| selection-declaration | Effect of selectors on subsequent placeholders | Accepted |