I've noticed that some RSS feeds return an ETag that is not a quoted-string, as per the HTTP RFC. For example my MSN spaces blog feed. Are these feeds valid? I would think they are invalid. What do you think? Did I miss something?

News and commentary from the cross-platform RSS and OPML community.
I've noticed that some RSS feeds return an ETag that is not a quoted-string, as per the HTTP RFC. For example my MSN spaces blog feed. Are these feeds valid? I would think they are invalid. What do you think? Did I miss something?
Last update: Tuesday, July 15, 2025 at 6:48 PM EDT
This blog has been published since July 1, 2004 (a span of 7,686 days).