[PATCH wayland] RFC: Require WAYLAND_DISPLAY to be set instead of using wayland-0 as the default

[Bill Spitzak]

On 05/26/2015 02:40 AM, Daniel Stone wrote:

> Probably to match X11's behaviour of using :0 in the absence of a $DISPLAY.

I'm pretty certain X does not do that. I always have to set $DISPLAY.