If %he, %bh - Bubble Help and %th - Tooltop Help are not used, help information (obtained using the question
mark modifier with certain format codes) is placed at the bottom of the window.
%he specifies the current position as the required position for help
n and m are optional (m cannot be specified without n).
m defaults to 1. They specify the width and depth of the area to take
the help string measured in average character units.
The option [flush] can be used when the parent window has a %sy - Dialog Style 3d
style with the result that the %he border is re-aligned. You
can also set the background colour to that of a frame using