missing term: "protocol"

[gibson042]

TC39 proposals and plenary discussions frequently refer to "protocols", but the term is not used defined in the specification. A definition should be provided in terminology.md.

[ljharb]

It's used 6 times in the spec

[bakkot]

Used but not defined, so still reasonable to define it here I think (and if it were defined in the spec we could have a link from our glossary here to the spec; it's not like everyone will have memorized all 387 <dfn>'d terms).

[gibson042]

It's used 6 times in the spec

You can't count a reference to RFC 7231 “Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content” in the Bibliography as a use of the TC39 term.

I guess I am willing to grant you "async iterator protocol" in the Introduction and "yield* protocol violation" in Evaluation of yield * |AssignmentExpression| and maybe "there was a protocol violation" in %AsyncFromSyncIteratorPrototype%.throw, but all of those prose excerpts can be read generically and on their own fail to convey that "protocol" is a local term of art.