Encoding Header Field for Internet Messages
RFC 1505
Document | Type |
RFC - Experimental
(August 1993; No errata)
Obsoletes RFC 1154
|
|
---|---|---|---|
Last updated | 2013-03-02 | ||
Stream | Legacy | ||
Formats | plain text pdf htmlized bibtex | ||
Stream | Legacy state | (None) | |
Consensus Boilerplate | Unknown | ||
RFC Editor Note | (None) | ||
IESG | IESG state | RFC 1505 (Experimental) | |
Telechat date | |||
Responsible AD | (None) | ||
Send notices to | (None) |
Network Working Group A. Costanzo Request for Comments: 1505 AKC Consulting Obsoletes: 1154 D. Robinson Computervision Corporation R. Ullmann August 1993 Encoding Header Field for Internet Messages Status of this Memo This memo defines an Experimental Protocol for the Internet community. It does not specify an Internet standard. Discussion and suggestions for improvement are requested. Please refer to the current edition of the "IAB Official Protocol Standards" for the standardization state and status of this protocol. Distribution of this memo is unlimited. IESG Note Note that a standards-track technology already exists in this area [11]. Abstract This document expands upon the elective experimental Encoding header field which permits the mailing of multi-part, multi-structured messages. It replaces RFC 1154 [1]. Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . 3 2. The Encoding Field . . . . . . . . . . . . . . . . . 3 2.1 Format of the Encoding Field . . . . . . . . . . . 3 2.2 <count> . . . . . . . . . . . . . . . . . . . . . 4 2.3 <keyword> . . . . . . . . . . . . . . . . . . . . 4 2.3.1 Nested Keywords . . . . . . . . . . . . . . . . 4 2.4 Comments . . . . . . . . . . . . . . . . . . . . . 4 3. Encodings . . . . . . . . . . . . . . . . . . . . . 5 3.1 Text . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Message . . . . . . . . . . . . . . . . . . . . . 6 3.3 Hex . . . . . . . . . . . . . . . . . . . . . . . 6 3.4 EVFU . . . . . . . . . . . . . . . . . . . . . . . 6 3.5 EDI-X12 and EDIFACT . . . . . . . . . . . . . . . 7 3.6 FS . . . . . . . . . . . . . . . . . . . . . . . 7 3.7 LZJU90 . . . . . . . . . . . . . . . . . . . . . . 7 3.8 LZW . . . . . . . . . . . . . . . . . . . . . . . 7 Costanzo, Robinson & Ullmann [Page 1] RFC 1505 Encoding Header Field August 1993 3.9 UUENCODE . . . . . . . . . . . . . . . . . . . . . 7 3.10 PEM and PEM-Clear . . . . . . . . . . . . . . . . 8 3.11 PGP . . . . . . . . . . . . . . . . . . . . . . . 8 3.12 Signature . . . . . . . . . . . . . . . . . . . 10 3.13 TAR . . . . . . . . . . . . . . . . . . . . . . 10 3.14 PostScript . . . . . . . . . . . . . . . . . . . 10 3.15 SHAR . . . . . . . . . . . . . . . . . . . . . . 10 3.16 Uniform Resource Locator . . . . . . . . . . . . 10 3.17 Registering New Keywords . . . . . . . . . . . . 11 4. FS (File System) Object Encoding . . . . . . . . . 11 4.1 Sections . . . . . . . . . . . . . . . . . . . . 12 4.1.1 Directory . . . . . . . . . . . . . . . . . . 12 4.1.2 Entry . . . . . . . . . . . . . . . . . . . . 13 4.1.3 File . . . . . . . . . . . . . . . . . . . . . 13 4.1.4 Segment . . . . . . . . . . . . . . . . . . . 13 4.1.5 Data . . . . . . . . . . . . . . . . . . . . . 14 4.2 Attributes . . . . . . . . . . . . . . . . . . . 14 4.2.1 Display . . . . . . . . . . . . . . . . . . . 14 4.2.2 Comment . . . . . . . . . . . . . . . . . . . 15 4.2.3 Type . . . . . . . . . . . . . . . . . . . . . 15 4.2.4 Created . . . . . . . . . . . . . . . . . . . 15 4.2.5 Modified . . . . . . . . . . . . . . . . . . . 15 4.2.6 Accessed . . . . . . . . . . . . . . . . . . . 15 4.2.7 Owner . . . . . . . . . . . . . . . . . . . . 15 4.2.8 Group . . . . . . . . . . . . . . . . . . . . 16 4.2.9 ACL . . . . . . . . . . . . . . . . . . . . . 16 4.2.10 Password . . . . . . . . . . . . . . . . . . . 16 4.2.11 Block . . . . . . . . . . . . . . . . . . . . 16 4.2.12 Record . . . . . . . . . . . . . . . . . . . . 17 4.2.13 Application . . . . . . . . . . . . . . . . . 17 4.3 Date Field . . . . . . . . . . . . . . . . . . . 17 4.3.1 Syntax . . . . . . . . . . . . . . . . . . . . 17 4.3.2 Semantics . . . . . . . . . . . . . . . . . . 17 5. LZJU90: Compressed Encoding . . . . . . . . . . . 18 5.1 Overview . . . . . . . . . . . . . . . . . . . . 18Show full document text