From: Drew Adams <drew.adams@oracle.com>
To: Michael Heerdegen <michael_heerdegen@web.de>,
Paul Eggert <eggert@cs.ucla.edu>
Cc: Ivan Andrus <darthandrus@gmail.com>, 40693@debbugs.gnu.org
Subject: bug#40693: 28.0.50; json-encode-alist changes alist
Date: Sun, 19 Apr 2020 22:45:41 -0700 (PDT) [thread overview]
Message-ID: <ffd58941-e5ec-47a4-9bab-6610306dae58@default> (raw)
In-Reply-To: <87k12bas9u.fsf@web.de>
> > How about if we change "Modifying a constant symbol signals an
> > error..." to "Changing a self-evaluating symbol's value signals an
> > error..."?
>
> Yes, better (though I would rather say "Trying to..." or "Attempting
> to..." - Emacs doesn't let you do this, i.e. you get the error before
> it's too late).
Yes. It's good to explicitly say that we're talking
about changing a symbol's value here, and not just
changing a symbol. The notion of "changing" a symbol
can mean different things to different readers.
Consider (put nil 'toto 42) or (put :foo 'toto 42).
Did we change the symbol nil or :foo, both of which
are self-evaluating? For some meaning of "change",
we did - we changed its property list.
The message should be just that you can't change the
`symbol-value' of a self-evaluating symbol/variable.
prev parent reply other threads:[~2020-04-20 5:45 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-18 2:59 bug#40693: 28.0.50; json-encode-alist changes alist Ivan Andrus
2020-04-18 17:29 ` Dmitry Gutov
2020-04-18 21:00 ` Ivan Andrus
2020-04-18 23:13 ` Michael Heerdegen
2020-04-19 0:10 ` Dmitry Gutov
2020-04-19 0:29 ` Michael Heerdegen
2020-04-19 0:33 ` Basil L. Contovounesios
2020-04-19 0:34 ` Basil L. Contovounesios
2020-04-29 10:11 ` Basil L. Contovounesios
2020-04-29 10:30 ` Eli Zaretskii
2020-04-29 12:08 ` Dmitry Gutov
2020-04-29 12:21 ` Eli Zaretskii
2020-04-29 14:28 ` Dmitry Gutov
2020-04-29 14:40 ` Eli Zaretskii
2020-04-29 15:02 ` Dmitry Gutov
2020-04-29 15:07 ` Eli Zaretskii
2020-04-29 14:41 ` Basil L. Contovounesios
2020-05-18 1:24 ` Basil L. Contovounesios
2020-05-18 14:27 ` Eli Zaretskii
2020-05-18 22:50 ` Dmitry Gutov
2020-05-18 23:50 ` João Távora
2020-05-21 21:14 ` Basil L. Contovounesios
2020-05-21 22:16 ` João Távora
2020-05-22 14:54 ` Basil L. Contovounesios
2020-05-22 20:14 ` João Távora
2020-05-23 16:13 ` Basil L. Contovounesios
2020-05-23 19:40 ` João Távora
2020-05-23 22:41 ` Basil L. Contovounesios
2020-05-23 22:45 ` João Távora
2020-04-19 20:35 ` Paul Eggert
2020-04-19 21:01 ` Drew Adams
2020-04-19 22:14 ` Paul Eggert
2020-04-19 22:29 ` Michael Heerdegen
2020-04-19 23:59 ` Paul Eggert
2020-04-20 0:25 ` Michael Heerdegen
2020-04-20 0:32 ` Paul Eggert
2020-04-20 0:57 ` Michael Heerdegen
2020-04-20 2:55 ` Paul Eggert
2020-04-20 14:56 ` Eli Zaretskii
2020-04-20 5:45 ` Drew Adams [this message]
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