Yeah, that is the problem. Thanks! Unfortunately, it seems that XQuartz doesn't support Retina displays properly.
> On 26. Jan 2019, at 21:08, Greg Reagle <greg.rea...@umbc.edu> wrote: > > On Sat, Jan 26, 2019, at 15:58, Igor Rubel wrote: >> I've just installed surf using MacPorts. >> >>> surf https://www.apple.com/ >>> Can't open default display >> >> How can one solve that? > > Hi. My guess, and it is just a wild guess because I don't even own an > Apple/Mac (although I have used them at work before), is that surf is > expecting an X server and that you are not running an X server. My > understanding is that MacOS's native/default display system in not X11. The > solution would be to install and run an X server. >