Figured out that declaring the doc type to avoid quirks mode leads to a problem with the way the browser parses certain CSS values that cloud.js uses to draw the tags.  This is why they aren't rendering properly.  Going to mess around with the debugger to see if I can figure this out.
Figuring out what's going on with the parsing of certain CSS values related to the cloud div
Fixed CSS errors, but tags still not rendering in standards mode...something else is causing a problem that the author hacked around by using quirks mode
Awesome! I got the cloud to work without quirks mode.
Documented the changes I've made thus far...now to commit/push/merge and then tackle this font-size parsing issue.