To flood the list, I'll mention a weird thing I noticed even if it's not a
problem for me, at least not right now.
Type a line of text. Set it to Typewriter font.
Type another line of text. Set it to Bold Typewriter font.
On screen they do look different, but on xdvi/ghostview they look same.
Now, if there actually doesn't exist such a font as Bold Typewriter in
LaTeX, LyX shouldn't display two different fonts on the display either.
On the other hand, if LaTeX knows about bold typewriter, then it's an
obvious bug in LyX.
