bug#31031: 27.0; (elisp) `Position Parameters', floating-point values

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Date: Fri, 06 Apr 2018 12:28:38 +0200
> Cc: 31031@debbugs.gnu.org
> 
> I can't find anything in the elisp manual describing that the
> workareas of the two monitors are combined like this.

AFAIK, this depends on how the monitors are configured, and perhaps
also on the window manager.  The "Multiple Terminals" node in ELisp
manual is what we felt we could document, and it does hint at what you
see, if you read the text carefully.