I  have left  XSetWMNormalHints and  XSet inside  the  conditional block
because fullscreen does not work one time out of two if they are called.

The window  is still  created on  the wrong screen  then moved.  I think
since we create  a new window each time we go  full screen, the creation
should  be done  in  the right  place and  we  should not  have to  move
it.
-- 
IT'S POTATO, NOT POTATOE
IT'S POTATO, NOT POTATOE
IT'S POTATO, NOT POTATOE
-+- Bart Simpson on chalkboard in episode 7F01