Specifications

Font Book and Classic applications
Font Book is designed to manage fonts for Mac OS X applications, so activating and
deactivating fonts in Font Book does not affect the fonts you use in Classic applica-
tions. Any font in the Fonts folder of your Classic System Folder will always show up
in the font lists of your Classic applications, even if you have disabled it in Font Book.
If you want to use a single application to manage fonts for both Classic and Mac OS X
applications, you will want to consider a third-party font manager.
Duplicate fonts
Font Book displays fonts stored in all the hierarchical font folders in Mac OS X. When
there are two or more copies of a font with the same name, Font Book marks the
duplicates with a dot. The one without the dot is the active font.
If you do not use Font Book to resolve or remove duplicates, the locations of the
different copies in the Mac OS X system hierarchy determine which font gets used.
See Appendix D for more information on the font usage hierarchy in Mac OS X.
Font Book offers both automatic and manual methods of activating a specific font
from among duplicate fonts.
For convenience, Font Book can fix duplication problems automatically. Simply select
the fonts, then choose Resolve Duplicates from the Edit menu. Be sure that you have
not selected a specific font from the list before choosing Resolve Duplicates. Font
Book makes the last font loaded in ~/Library/Fonts the active font and deactivates
all the duplicate copies.
Alternatively, you can resolve duplicate fonts manually. To do this, click the specific
font you want to activate, then choose Edit > Resolve Duplicates. The font you
selected is activated, and all of the duplicates are deactivated. You can also disable a
specific version of a font by using the Disable button.
Each duplicate font is shown in every set. To help you tell the fonts apart when you’re
choosing which one to activate, position your cursor over one of them in the list. A
yellow “tool tip” appears that displays detailed information about the font, including
its location.
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Technology Tour
Advanced Typography
with Mac OS X