Re: Turning on savehist-mode by default

[Thanos Apollo]

sbaugh@catern.com writes:

> savehist-mode is a useful mode which is turned on by many Emacs
> users. [1] It matches the default behavior of programs like bash and
> vim, which save command history by default.  I suggest that we should
> find some way to enable savehist by default.
>

What is the recommended way for package authors to disable
savehist-mode?

If savehist-mode is enabled by default, it is advisable to also consider
a simple way to disable it for a specific package mode.

for example I'm using emacs to answer a MCQ, such as:

Q:Which one of the following statements concerning the
ability of acidosis to precipitate a crisis in sickle cell
anemia is correct?

```emacs-lisp
(completing-read "Answer: "
'("Fetal blood has a higher affinity for oxygen than does
adult blood because Hb F has a decreased affinity for
2,3-BPG."
"Purified Hb F (stripped of 2,3-BPG) has a higher affin-
ity for oxygen than does purified Hb A."
"The globin chain composition of Hb F is α2δ2."))
```
Saving the latest and usually correct answer defeats the purpose of an MCQ.

One workaround for this is to set minibuffer-history to nil, although it
is unclear whether this is advised, even with a let statement.

-- 
Thanos Apollo
https://thanosapollo.org

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