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Description
In the current version of the spec, we say:
5.5.6.2.1. If the current delegation is a multi-role delegation, recursively visit each role, and check that each has signed exactly the same non-custom metadata (i.e., length and hashes) about the target (or the lack of any such metadata).
But nowhere else do we actually define how to specify multi-role delegations. Did we: (1) forget to specify how multi-role delegations are listed (since they are backwards-incompatible), or (2) did we agree not to release them as part of 1.0.0, and this is leftover text intended for 2.0.0?