bug#15797: 24.3.50; Info: Mention cache-long-scans

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>,  15797@debbugs.gnu.org,  
> kjambunathan@gmail.com
> Date: Wed, 06 Nov 2013 19:02:11 +0100
> 
> BTW, when cache-long-scans t works now, is there any benefit in setting
> it nil?

We will shortly turn it on by default, as you see from the rest of
this discussion.