* Consistent decryption tail for all AEADs
* Remove outdated note
This was previously copied here from another function. There used
to be another comment on the tag verification linking to issue #1776,
but that one was not copied over. As it stands, this note seems fairly
misleading/irrelevant.
* Prettier docs
* Add note about plaintext contents to docs
* Capitalization
* Fixup missing XChaChaPoly docs
9135115573