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Everywhere I look I see that in order to change the Font size in Xcode I simply click on the "fonts window button".
However, I can't.
I have a default install of Xcode, just started trying to use it the other day. The fonts window button looks like this:
enter image description here

Notice how it is grayed out? Nothing I can figure out will let me click on it to change the font size. Is this a common problem? Anyone have a clue how to fix it?

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up vote 12 down vote accepted

You have to select one or more categories in the list (on the right). Steps in Apple Docs

enter image description here

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Well that was unnecessarily confusing, Xcode design, not your answer just to be clear. Thanks. – racl101 May 17 '15 at 5:35

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