Add 2025-09-22 meeting notes

Author: eemeli

meetings/2025/notes-2025-09-22.md

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+# 22 September 2025 | MessageFormat Working Group Teleconference
+
+Attendees:
+
+- Eemeli Aro \- Mozilla (EAO)  
+- Mihai Niță \- Google (MIH)  
+- Mikhail Barash \- UiB (MBH)  
+- Shane Carr \- Google (SFC)
+
+**Scribe:** EAO  
+
+## SpecTec
+
+MBH: SpecTec is a possible tool we could use for defining MessageFormat.
+
+- [https://webassembly.org/news/2025-03-27-spectec/](https://webassembly.org/news/2025-03-27-spectec/)  
+- [https://github.com/Wasm-DSL/spectec/tree/main/spectec](https://github.com/Wasm-DSL/spectec/tree/main/spectec)
+
+Some video presentations on what this is about:
+
+- [https://www.youtube.com/watch?v=aAkhAaKlJIk](https://www.youtube.com/watch?v=aAkhAaKlJIk)  
+- [https://www.youtube.com/watch?v=a97P7VvCg6k](https://www.youtube.com/watch?v=a97P7VvCg6k)
+
+EAO: This might be useful for generating the rules in a format that’s potentially usable as a basis for linting and validating in particular the default functions and options of MF2.
+
+## Student work on MF2 at UiB
+
+MBH: Programme just starting, with 7 students implementing MF2 support in React, Svelte, and Angular. A preliminary review of pre-existing solutions is available, “UiB \- Overview of localization support in frameworks”  
+[https://docs.google.com/document/d/1nkOK1x\_whN0Pcduy8hoPweDpRObPe-g50OFAFwThgVI/edit?usp=sharing](https://docs.google.com/document/d/1nkOK1x_whN0Pcduy8hoPweDpRObPe-g50OFAFwThgVI/edit?usp=sharing)
+
+EAO: I’ll be talking with these students this Friday, so more on this to follow next week.
+
+## Updates from Implementers
+
+MIH: ICU4J hopefully landing before the end of this week.
+
+## Default Attribute Definitions
+
+[https://github.com/unicode-org/message-format-wg/pull/1098](https://github.com/unicode-org/message-format-wg/pull/1098)
+
+MIH: No bandwidth for review until the CLDR v48 updates are done.