I'm very new to your editor and it seems I can't get it to launch.
This is what I have when I try to launch it.
I'm on Ubuntu 14.04LTS.
1 2 3 4 5 6 7 8 9 10
$ ./4ed 5206x1080 - 1377mmx286mm DPI: 96x95 XWindows vendor: The X.Org Foundation GLX version 1.4 Using FBConfig: 153 (0x99) X Error of failed request: BadValue (integer parameter out of range for operation) Major opcode of failed request: 1 (X_CreateWindow) Value in failed request: 0x0 Serial number of failed request: 40 Current serial number in output stream: 50