Set-Cookie and commas in extension attributes

Just confirming this, but it appears as though comma is a valid character in an extension to Set-Cookie.  What happens if an intermediary combines two Set-Cookie header fields as permitted by the core specification[1]?

[1] https://httpwg.org/http-core/draft-ietf-httpbis-semantics-latest.html#field.lines

Received on Friday, 15 January 2021 05:47:41 UTC