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Re: Confused by y-or-n-p

From: Gregory Heytings
Subject: Re: Confused by y-or-n-p
Date: Sat, 09 Jan 2021 09:34:20 +0000
User-agent: Alpine 2.22 (NEB 394 2020-01-19)

Do you have any evidence to back up the claim that this has happened?

It happened with y-or-n-p; it would not have happened with the above guideline.

I don't think the second part of that sentence logically follows from the first.

I think I was the first person to complain about it. An entry in etc/NEWS would probably not have come to my attention, since I don't check it regularly. But a posting on emacs-devel is something I would have noticed.

The proposal was not to mention such changes in NEWS (which is already the case), it was to use the existing criterion used to add entries in NEWS ("Any change that matters to end-users should have an entry in etc/NEWS", see CONTRIBUTE) as a basis for an explicit guideline: "In principle, any such change should, unless it is an added feature, either require setting a variable to be enabled, or be reversible by setting a variable."

(The word "should" here has the meaning of RFC 2119: "This word [...] mean[s] that there may exist valid reasons in particular circumstances to ignore a particular item, but the full implications must be understood and carefully weighed before choosing a different course.")

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