- From: Melvin Carvalho <melvincarvalho@gmail.com>
- Date: Tue, 26 Jun 2012 08:51:42 +0200
- To: public-rww <public-rww@w3.org>
Received on Tuesday, 26 June 2012 06:52:15 UTC
Many application protocols use parameters with textual (as opposed to numerical) names to identify data (media types, header fields in Internet mail messages and HTTP requests, vCard parameters and properties, etc.). Historically, designers and implementers of application protocols have often distinguished between standardized and unstandardized parameters by prefixing the names of unstandardized parameters with the string "X-" or similar constructs (e.g., "x."), where the "X" is commonly understood to stand for "eXperimental" or "eXtension". ... http://tools.ietf.org/html/rfc6648
Received on Tuesday, 26 June 2012 06:52:15 UTC