Re: [whatwg/webidl] Propagate a type's extended attributes to a nullable inner type (PR #1624)

nicolo-ribaudo left a comment (whatwg/webidl#1624)

Actually, I'm not sure it would be possible*. There are currently productions that are not nullable (e.g. `Promise<T>`), which are however children of `TypeWithExtendedAttributes`. If I made `TypeWithExtendedAttributes` a child of "something ?", i.e.
```
NullableType:
  TypeWithExtendedAttributes `?`
  TypeWithExtendedAttributes

TypeWithExtendedAttributes :
  ExtendedAttributes Type
  Type

Type :
  ...
``` 

\* well, it is, but it further complicates the grammar because I'd need to have a `TypeWithExtendedAttributesForInsideNullable` and `TypeWithExtendedAttributesForOutsideNullable` with different allowed types inside of them.

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