Comment 5 for bug 595432

Same issue with
- Aller
- Aller Light

On the other hand, from the same font family
- Aller Display
works fine and can be selected in the drop-down.

(Free) Aller font:
<http://www.typophile.com/node/51198>
<http://www.dmjx.dk/international/press/font.html>
<http://www.fontsquirrel.com/fonts/Aller>