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bug#4755: 23.1; case where `C-M-x' on defcustom doesn't seem to work
From: |
Drew Adams |
Subject: |
bug#4755: 23.1; case where `C-M-x' on defcustom doesn't seem to work |
Date: |
Tue, 5 Jul 2016 14:30:15 +0000 (UTC) |
> tags 4755 unreproducible
> quit
> Can't reproduce on Emacs 23.4, perhaps it was fixed?
I just reproduced it using Emacs 25, from emacs -Q. Here's
some of the proof of a problem:
toto's value is shown below.
Documentation:
...
You can customize this variable.
Value: (("foo" (f1 f2) f3) ("bar" (b1 b2) b3))
Original value was
(("foo"
(f1 f2)
f3)
("bar"
(b1 b2)
b3)
("toto"
(f1 f2 f3)
nil))
`foo', not `toto' was customized, and the Value shown
here is correct. But the "Original value" is incorrect.
The "Original value" shown is the new, current value
of `foo'. `toto' never had, as still does not have,
that "Original value".
For the above, I did not even get to the part of the
recipe that calls for using `C-M-x' on the `toto'
defcustom. All I did was customize `foo' and set it
for the session.
Then, doing `C-M-x' does correctly show `toto' as
having the same value as `foo'.
So if you prefer, yes, the bug as reported seems to be
fixed. But there is another bug, shown above:
customizing `foo' changes the "Original value" part
of the output of `C-h v' for `toto'.
Something is still amiss in the state of Denmark...