RFC 2083

IETF RFC 2083 specifies the PNG graphics file format. It is not an official IETF standard, but it is a World Wide Web Consortium recommendation described [here].

• [Full text of RFC 2083] PNG (Portable Network Graphics) Specification Version 1.0. [Thomas Boutell]?. March 1997. (Format: TXT=242528 bytes) (Status: INFORMATIONAL)