bug#50775: ispell help message times out before most people can read it

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Sat, 25 Sep 2021 11:17:27 -0700
> Cc: 50775@debbugs.gnu.org,
>  積丹尼 Dan Jacobson <jidanni@jidanni.org>
> 
> > I've now added a new user option 'ispell-help-timeout' so that you can
> > control this.
> 
> Do we even need a timeout here?

We've been having that for eons, so changing the default now should
only be done if we have a very good reason.  You have a customizable
variable now, so why not change the value for your convenience?

Let's not let the tail wag the dog: it's a minor issue, no need to
turn the world around each time we add some minor convenience.