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Status: Rejected (1)

RFC 9557, "Date and Time on the Internet: Timestamps with Additional Information", April 2024

Source of RFC: sedate (art)

Errata ID: 8192
Status: Rejected
Type: Editorial
Publication Format(s) : TEXT, PDF, HTML

Reported By: Robert Wishlaw
Date Reported: 2024-12-01
Rejected by: RFC Editor
Date Rejected: 2024-12-11

Section 3.4 says:

In case of an inconsistency between time-offset and time zone suffix, 
if the critical flag is used on the time zone suffix, an application
MUST act on the inconsistency. If the critical flag is not used,
it MAY act on the inconsistency. Acting on the inconsistency 
may involve rejecting the timestamp or resolving the inconsistency
via additional information, such as user input and/or programmed
behavior.


It should say:

In case of an inconsistency between time-offset and time zone suffix, 
if the critical-flag is used on the time zone suffix, an application
MUST act on the inconsistency. If the critical-flag is not used,
it MAY act on the inconsistency. Acting on the inconsistency 
may involve rejecting the timestamp or resolving the inconsistency
via additional information, such as user input and/or programmed
behavior.

Notes:

"critical flag" missing hyphen
--VERIFIER NOTES--
Rejecting per explanation from Carsten Bormann (author):

The hyphenated form (“critical-flag”) occurs only as the name of the ABNF rule (which cannot have a space inside and therefore uses a hyphen to separate the two words).

I don’t see a reason to hyphenate the English text usages of “critical flag”.
Maybe it could have been (talking about the ABNF rule), but then also would have been set in typewriter face and probably without a definite article (similar to the way `time-offset` has been set/phrased in the first sentence). However, the way the critical-flag ABNF rule is defined (namely, as an *optional* exclamation mark), it is actually present whether or not the critical flag (the exclamation mark) is.

So I believe we made the right choice in setting/phrasing this different from the ABNF rule name.

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