%% You should probably cite rfc6648 instead of this I-D. @techreport{ietf-appsawg-xdash-03, number = {draft-ietf-appsawg-xdash-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-appsawg-xdash/03/}, author = {Peter Saint-Andre and Dave Crocker and Mark Nottingham}, title = {{Deprecating Use of the "X-" Prefix in Application Protocols}}, pagetotal = 12, year = 2012, month = feb, day = 13, abstract = {Historically, designers and implementers of application protocols have often distinguished between "standard" and "non-standard" parameters by prefixing the latter with the string "X-" or similar constructions. In practice, this convention causes more problems than it solves. Therefore, this document deprecates the "X-" convention for textual parameters in application protocols.}, }