visible print/invisible screen

[Paul F. Schaffner]

I have been asked by some fellow librarians how best to tag 
URLs in a hot-list type of page so that they do *not* appear
on the screen, but *do* appear when the page is printed (e.g.,
by a patron to take away and consult later). The best I could
come up with off the cuff was the old expedient: a <font> tag 
with the color attribute set to the background color (or to the 
color of the background image); then print from Netscape with 
"black text" box checked on the page setup menu. This works after a 
fashion, but only at the risk of encountering display configurations
and browsers that won't cooperate. I'm sure there must be a neater
and more elegant approach.... but what is it?
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Paul Schaffner | pfs at umich.edu | http://www-personal.umich.edu/~pfs/
o  Assoc. Editor, Middle English Dictionary, Univ. of Michigan
o  Librarian &c., Jackson Community College, Jackson, Michigan