yui/yui3 — comment on commit e1d2c90eed2334936210d1e1c6c53a43934ed517
File: src/button/css/cssbutton.css line 7
By rgrove:

I'm also curious what this `*+` hack is. I've seen that used as a selector hack like `*+html .foo { ... }` to target IE7, but not as an attribute hack. If this is meant to target IE6 and IE7, why not use `*`?