BIP-390: allow musig() under rawtr() #2050

1. 
   yyhrnk commented at 4:15 pm on December 8, 2025: contributor

   musig() was previously specified as only usable under tr(), but the BIP-390 test vectors already include valid rawtr(musig(…)) descriptors and Bitcoin Core’s descriptor implementation accepts musig() as a generic KEY under both tr() and rawtr(). This change updates the wording to explicitly allow musig() inside rawtr(), aligning the specification with the existing test vectors and Core semantics without changing any behavior.
2. BIP-390: allow musig() under rawtr() 7e8facb479
3. 
   apoelstra commented at 7:00 pm on December 8, 2025: contributor

   concept ACK
4. 
   achow101 commented at 7:02 pm on December 8, 2025: member

   ACK 7e8facb4793ea8baafc07a5f4e9b28283d7c86d7
5. murchandamus added the label Proposed BIP modification on Dec 8, 2025
6. murchandamus merged this on Dec 8, 2025
7. murchandamus closed this on Dec 8, 2025

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Contributors
yyhrnk apoelstra achow101

Labels
Proposed BIP modification