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Mark Hurrell

To solve the semantic issues, try mapping your glyphs to the Unicode private use areas. That’s pretty much what they’re intended to be used for.

Also, you’ll want to use a robust font-embedding detection script before using in a live environment – loads of the webkit based mobile browsers report false-positives for @font-face support, so you’ll end up with loads of rogue (non icon) characters dotted around your page on those devices if you’re not careful.