Tracking issue for future-incompatibility lint `incorrect_macro_fragment_repetition`

[estebank]

Important

This lint has not been implemented yet! See #55373.

Status

• Preliminary implementation started (Lint on incorrect unseparated repetition #55373)
• Preliminary implementation available
• Stabilization proposed
• Stabilized

Known bugs

None.

Unresolved questions to be answered before stabilization

• When should we move from allow by default to warn by default to deny by default.