Make the public API docs more consistent and explicit#783

Merged

real-or-random merged 2 commits intobitcoin-core:masterfrom

elichai:2020-07-docs

Sep 15, 2021

Commits on Jul 4, 2021

Improve consistency for NULL arguments in the public interface
elichai
committed
Add missing null check for ctx and input keys in the public API
elichai
committed