UTF-7 A Mail-Safe Transformation Format of Unicode
RFC 2152, “UTF-7 A Mail-Safe Transformation Format of Unicode”, is an Informational document published in May 1997 by D. Goldsmith, M. Davis. It obsoletes RFC 1642. The canonical text is published by the RFC Editor.
Abstract
This document describes a transformation format of Unicode that contains only 7-bit ASCII octets and is intended to be readable by humans in the limiting case that the document consists of characters from the US-ASCII repertoire. It also specifies how this transformation format is used in the context of MIME and RFC 1641, "Using Unicode with MIME". This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
The canonical text of RFC 2152 is hosted at rfc-editor.org. Available in TXT,HTML.
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