shift+left/right cannot be bound in XEmacs

Uwe Brauer writes:

 > This seems a odd problem, I can bind in Emacs/Xemacs 

If you can't bind Shift-<Arrow> in Emacs, it's a platform issue.
Check your distro's tracker.

 > The left/right arrow keys, like
 > 
 > control+left, or left  (alt/hyper/super)+left
 > but *not* shift+left. 

Specifially, what code isn't working for you?