So I've downloaded a google font known as 'Didact Gothic' from here:
It works perfectly when embedded in a website. However, Photoshop CS6 does something really odd to the 'w' glyph:
The .ttf file completely fine:
And it even works in Pages:
So what on Earth is going on? The rogue 'w' in photoshop appears to be from a different font called Mistral, I think. Bizarre. Any and all help appreciated.