Windows", "X-Windows", or "X Window". Use "GTK+", not "GTK" or "gtk".
Use "GNOME", not "Gnome". Use "PostScript", not "Postscript" or
"postscript".
Windows", "X-Windows", or "X Window". Use "GTK+", not "GTK" or "gtk".
Use "GNOME", not "Gnome". Use "PostScript", not "Postscript" or
"postscript".