Eli Zaretskii <eliz@gnu.org> writes:
>> Cc: Po Lu <luangruo@yahoo.com>, 62164@debbugs.gnu.org
>> From: Spencer Baugh <sbaugh@janestreet.com>
>> Date: Tue, 09 May 2023 14:27:11 -0400
>> 
>> +(defcustom ediff-x-utility-control-frame nil
>> +  "If non-nil, the control frame is a utility window under X.
>> +
>> +This is useful in tiling window managers, where this will cause
>> +the control frame to be floating rather than tiled.  It should be
>> +harmless on other well-behaved window managers."
>
> If this option causes the control frame to be floating rather than
> tiled, the name of the option should reflect that.  Using "utility" in
> the name of the variable makes the option less self-explanatory,
> because that technical terms is not relevant on the user level.
>
> Thanks.

Agreed. Revised patch attached: