React: Indicating Summary Reaction to a Message
draft-crocker-inreply-react-07
Network Working Group D. Crocker
Internet-Draft Brandenburg InternetWorking
Intended status: Experimental R. Signes
Expires: July 22, 2021 Fastmail
N. Freed
Oracle
January 18, 2021
React: Indicating Summary Reaction to a Message
draft-crocker-inreply-react-07
Abstract
The popularity of social media has led to user comfort with easily
signaling basic reactions to an author's posting, such as with a
'thumbs up' or 'smiley' graphic. This specification permits a
similar facility for Internet Mail.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Reaction Content-Disposition . . . . . . . . . . . . . . . . 3
3. Reaction Message Processing . . . . . . . . . . . . . . . . . 4
4. Usability Considerations . . . . . . . . . . . . . . . . . . 5
4.1. Example Message . . . . . . . . . . . . . . . . . . . . . 5
4.2. Example Display . . . . . . . . . . . . . . . . . . . . . 6
5. Security Considerations . . . . . . . . . . . . . . . . . . . 6
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7
7. Experimental Goals . . . . . . . . . . . . . . . . . . . . . 7
8. Normative References . . . . . . . . . . . . . . . . . . . . 7
Appendix A. Acknowledgements . . . . . . . . . . . . . . . . . . 8
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 8
1. Introduction
The popularity of social media has led to user comfort with easily
signaling summary reactions to an author's posting, by marking basic
emoji graphics, such as with a 'thumbs up', 'heart', or 'smiley'
indication. Sometimes the permitted repertoire is constrained to a
small set and sometimes a more extensive range of indicators is
supported.
This specification defines a similar facility for Internet Mail.
While it is already possible to include symbols and graphics as part
of an email reply's content, there has not been an established means
of signalling the semantic substance that such data are to be taken
as a summary 'reaction' to the original message. That is, a
mechanism to identify symbols as specifically providing a summary
reaction to the cited message, rather than merely being part of the
free text in the body of a response. Such a structured use of the
symbol(s) allows recipient MUAs to correlate this reaction to the
original message and possibly to display the information
distinctively.
This facility defines a new MIME Content-Disposition, to be used in
conjunction with the In-Reply-To header field, to specify that a part
of a message containing one or more emojis be treated as a summary
reaction to a previous message.
Unless provided here, terminology, architecture and specification
notation used in this document are incorporated from [Mail-Arch],
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[Mail-Fmt], [MIME], and [ABNF]. The ABNF rule Emoji-Seq is inherited
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