In Windows XP, if you have MUSHclient 3.73 in fullscreen mode and have WIndows XP set to Auto-hide the Taskbar, MUSHclient will not cover the area that taskbar *would* occupy. MUSHclient leaves a taskbar-sized space at the bottom of the screen.
The same is true if your taskbar is set to dock on one of the sides of the screen other than the bottom.
The same is true if your taskbar is set to dock on one of the sides of the screen other than the bottom.