# Zlib

Zlib ([RFC 1950](https://www.ietf.org/rfc/rfc1950.txt)) is a thin wrapper
around raw deflate (RFC 1951). Zlib is similar to gzip (RFC 1952), but with a
different wire format and checksum algorithm.

Zlib is used by the ELF executable and PNG image file formats.

TODO: a worked example.
