[1] draft-ietf-appsawg-webfinger-02 - WebFinger ( (10/17/2014, 12:14:02 AM 版)) <https://tools.ietf.org/html/draft-ietf-appsawg-webfinger-02#section-6>
[3] RFC 7566 - Enumservice Registration for 'acct' URI (6/25/2015, 11:06:22 PM 版) <https://tools.ietf.org/html/rfc7566>
Google search: acct: