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update export.md: clarify how extensions are exported #13327

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Aug 20, 2021
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update export.md: clarify how extensions are exported #13327

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2 changes: 1 addition & 1 deletion docs/docs/reference/other-new-features/export.md
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Expand Up @@ -74,7 +74,7 @@ A member is _eligible_ if all of the following holds:
It is a compile-time error if a simple or renaming selector does not identify any eligible members.

Type members are aliased by type definitions, and term members are aliased by method definitions. Export aliases copy the type and value parameters of the members they refer to.
Export aliases are always `final`. Aliases of given instances are again defined as givens (and aliases of old-style implicits are `implicit`). Aliases of inline methods or values are again defined `inline`. There are no other modifiers that can be given to an alias. This has the following consequences for overriding:
Export aliases are always `final`. Aliases of given instances are again defined as givens (and aliases of old-style implicits are `implicit`). Aliases of extensions are again defined as extensions. Aliases of inline methods or values are again defined `inline`. There are no other modifiers that can be given to an alias. This has the following consequences for overriding:

- Export aliases cannot be overridden, since they are final.
- Export aliases cannot override concrete members in base classes, since they are
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