When reading §4.19.3 "Decryption using a Full Viewing Key (Sapling and Orchard)" in the protocol specification, I didn't notice any use of the full viewing key (specifically the ak and nk parts) in that section. The algorithm described there uses only the outgoing viewing key.
Suggested Solution
Mention outgoing viewing keys in the name of the section instead of full viewing keys.
Motivation
When reading §4.19.3 "Decryption using a Full Viewing Key (Sapling and Orchard)" in the protocol specification, I didn't notice any use of the full viewing key (specifically the
ak
andnk
parts) in that section. The algorithm described there uses only the outgoing viewing key.Suggested Solution
Mention outgoing viewing keys in the name of the section instead of full viewing keys.