Lainaus, alkuperäisen viestin kirjoitti Firefox Release Notes / FAQ:

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http://www.mozilla.com/en-US/firefox/releases/1.5beta1.html#FAQ

How do I spell Firefox? How do I abbreviate it?

Firefox is spelled F-i-r-e-f-o-x - only the first letter capitalized (i.e. not FireFox, not Foxfire, FoxFire or whatever else a number of folk seem to think it to be called.) The preferred abbreviation is "Fx" or "fx".

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