RFC 2083 has been reclassified as Historic per
<https://mailarchive.ietf.org/arch/msg/ietf-announce/6TD0zQZ1SC-yikQ1HCgM6RZMlxA/>.
RFC 2083
Title: PNG (Portable Network Graphics) Specification
Version 1.0
Author: T. Boutell
Status: Historic
Stream: IETF
Date: March 1997
Pages: 102
Updates/Obsoletes/SeeAlso: None
URL: https://www.rfc-editor.org/info/rfc2083
DOI: 10.17487/RFC2083
This document describes PNG (Portable Network Graphics), an
extensible file format for the lossless, portable, well-compressed
storage of raster images. PNG provides a patent-free replacement for
GIF and can also replace many common uses of TIFF. Indexed-color,
grayscale, and truecolor images are supported, plus an optional alpha
channel. Sample depths range from 1 to 16 bits.
PNG is designed to work well in online viewing applications, such as
the World Wide Web, so it is fully streamable with a progressive
display option. PNG is robust, providing both full file integrity
checking and simple detection of common transmission errors. Also,
PNG can store gamma and chromaticity data for improved color matching
on heterogeneous platforms.
This specification defines the Internet Media Type image/png.
HISTORIC: This memo defines a Historic Document for the Internet
community. It does not specify an Internet standard of any kind.
Distribution of this memo is unlimited.
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