We recently had a desire to include an ampersand in a footer and if you just put it in, WebFocus is looking for a variable. The solution is to follow the ampersand with a pipe symbol like this:

 R&|D 

When I searched for this in FocalPoint I found more complicated solutions.
Thanks to Rob Fosnaugh for this (he told me I didn't have to give him credit, but I know some of you would recognize the name, so... )