[lowboy]

.multi-word-block__with-an-element--and-modifier

Also see the .site-search example here http://csswizardry.com/2013/01/mindbemding-getting-your-head...

[err4nt]

Ahh gotcha! I still don't see why they can't do this without doubling up the delimiters just by agreeing on a stricter naming convention ;)