Per conversations with larsi@gnus.org, I'm submitting a patch for adding the following to SHR: * lisp/net/shr.el (shr-tag-cite): Add tag * lisp/net/shr.el (shr-tag-dfn): Add tag * lisp/net/shr.el (shr-tag-small): Add tag * lisp/net/shr.el (shr-tag-time): Add