As X11 has network capabilities: None X11 application should have a dependency on X11 - you can use another computers X Window System to display it. If you want X11, you always have to install it.None. Wayland is not fully working on freebsd yet. So mate depend on X11
Remote X connection. That doesn't require a fully functional xorg-server on that host.Under what circumstance or for what purpose would one install mate and not install X11?
… A message saying that it may need xorg …
What I mean is that mate depends at X11 (or another x implementation), not meant as a build dependency, but to be usefull. If X is running on the local machine or remote is not important. It is still XAs X11 has network capabilities: None X11 application should have a dependency on X11 - you can use another computers X Window System to display it. If you want X11, you always have to install it
Perhaps all windowmanagers and desktop environments.