[lucida] Adobe Illustrator does not display LucidaBrightMathOT or LucidaBrightMathOT-Demi

Bruno Voisin bvoisin at me.com
Tue Oct 1 09:55:38 CEST 2013

Le 1 oct. 2013 à 01:18, Reinhard Kotucha <reinhard.kotucha at web.de> a écrit :

> On 2013-10-01 at 00:45:23 +0200, Bruno Voisin wrote:
>> Did you really install to /System/Library/Fonts, not
>> /Library/Fonts? /System is OS X reserved territory, stuff put
>> there may break the system permanently, prevent it to boot,
>> etc.
> If your operating system doesn't boot anymore because a font had been
> installed it's high time to look for a better one.

This was a deliberate oversimplification to convey the message that altering anything inside /System is ill-advised, unless you know exactly what you're doing.

It's not the installation of an additional font that may break the OS, but the odd erroneous manipulation the inexperienced user may perform while attempting to do so.

In particular, without /System/Library/Fonts/LucidaGrande.ttc the OS will lose its ability to display menus and dialogs (at least on OS X ≤ 10.8 -- on 10.9 it seems that will become Helvetica Neue). Similarly /System/Library/Fonts/Keyboard.ttf and /System/Library/Fonts/LastResort.ttf are generally said to be essential to the OS.

See also



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