bug#7553: 24.0.50; please disable focus-follows-mouse per default and document mouse movements associated with this variable

[Chong Yidong]

Gregor Zattler <telegraph@gmx.net> writes:

> Please change the default value of the variable focus-follows-mouse to
> nil and mention the fact that setting the variable leads to mouse
> movements which are not user controlled in the documentation of this
> variable.

I've changed it to nil in the trunk.