2019-03-28 2025-03-06 RFC 8610, Section 6.1 name includes internal dot IETF Review name does not include internal dot Specification Required Requests to register names that don't include an internal dot can be submitted here: Jeffrey Yasskin, Henk Birkholz .size .bits .regexp .cbor .cborseq .within .and .lt .le .gt .ge .eq .ne .default .sdnv .sdnvseq .oid .plus .cat .det .abnf .abnfb .feature .b64u .b64u-sloppy .b64c .b64c-sloppy .b45 .b32 .h32 .hex .hexlc .hexuc .base10 .printf .json .join