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[EAI] [Technical Errata Reported] RFC6531 (4996)

RFC Errata System <rfc-editor@rfc-editor.org> Sun, 16 April 2017 20:31 UTC

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Subject: [EAI] [Technical Errata Reported] RFC6531 (4996)
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The following errata report has been submitted for RFC6531,
"SMTP Extension for Internationalized Email".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6531&eid=4996

--------------------------------------
Type: Technical
Reported by: Vitaliy V. Tokarev <vitaliy.tokarev@gmail.com>

Section: 3.3

Original Text
-------------
The definition of <atext> is extended to permit both the RFC 5321
definition and a UTF-8 string. That string MUST NOT contain any
of the ASCII graphics or control characters.

Corrected Text
--------------
The definition of <atext> is extended to permit both the RFC 5321
definition and a UTF-8 string. That string MUST NOT contain any
of the Extended ASCII graphics (%d128-255) or control characters.

Notes
-----
The question is: what is "ASCII graphics characters"? Either meant that is possible to transmit 8bit characters, but they should not be in range %d128-255. Or something else. A better clarification is appreciated.

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--------------------------------------
RFC6531 (draft-ietf-eai-rfc5336bis-16)
--------------------------------------
Title               : SMTP Extension for Internationalized Email
Publication Date    : February 2012
Author(s)           : J. Yao, W. Mao
Category            : PROPOSED STANDARD
Source              : Email Address Internationalization
Area                : Applications
Stream              : IETF
Verifying Party     : IESG

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