I realize this can be done with an "anykey" keyboard - it has some 7-10 or special keys for creating a macro. But I don't want to give up my perfect-size-for-my-space keyboard (11.25" x 5.5") and it lacks those keys.
But I use B, U and I a lot and it's a bit of a bother (especially daily) to have to use the mouse to bold, italicize or underline and then use it again to turn those functions off.
So I was wondering this: is there some way I could arrange for unused keys (like most of the F keys) or a few others I never use (Home, Pg Up, Pg Dn, End, the up and down arrow keys etc.) to turn those 3 functions ON and OFF...some program perhaps. Then I'd just hit that key and what I typed would come out B, I or U. The Hell with the mouse.