Useful. Sadly, I don't see detection for @font-face -- perhaps because it's not very simple? http://paulirish.com/2009/font-face-feature-detection/
Modernizr (linked at the bottom of my guide) can detect support for @font-face. It is decidedly non-trivial. http://github.com/Modernizr/Modernizr
Curiously, under Konqueror 4.3 I can highlight those words, together with the rest of the title, but pasting (either X or ^c^v) also misses them ...