Re: master fe7c015b20: Support XFCE in wallpaper.el

[Stefan Kangas]

Eli Zaretskii <eliz@gnu.org> writes:

>> +If the value is a function, it will be evaluated only when
>> +needed.  For example:
>
> What does it mean "only when needed" in this context?

I wrote this rather quickly.

Is "only when a %-spec needs it" more clear?  It should probably say
"called" instead of "evaluated", too.