Glyphs-Handbook-2013

6.3.3 Style Linking
Microsoft Windows applications support only the basic four
styles per font family, i.e., Regular, Italic, Bold, and Bold Italic.
They are accessed via the ‘B’ and ‘I’ buttons in the toolbar
of the Windows application. Mac applications can switch
to linked Bold and Italic styles via the Cmd-B and Cmd-I
shortcuts. Adobe InDesign does the same via Cmd-Shift-B and
Cmd-Shift-I. If a font family is not style-linked at all, then
each style appears individually in the font menu. In that
case, clicking the ‘B’ or ‘I’ buttons may create a synthetic Bold
or Italic. Based on these conditions, the following strategy
is recommended:
linked to the Regular.
counterparts, e.g., Medium Italic is the Italic of Medium.
They must share the same family name.
Some designers link the Semibold to the Light. If you choose
to do so, only the Light will appear in the font menu of some
applications and users may be unaware that they can access
the Semibold style by selecting the Light in the menu and
then activating the Bold style. If you still do want to link
Semibold to Light, enter the name of your Light style in the
Style Linking text field of your Semibold instance settings and
check the Bold option next to it.
6.3.4 Interpolation
The Weight and Width settings apply to the design space
spanned between the Masters. For further details, see
chapter 9, ‘Multiple Master’ (p. 73).
6.3.5 Custom Parameters
With instance-level parameters, you can produce dierent
versions of the same font carrying dierent copyright notices,
UPM values etc. Instance parameters override all master and
Glyphs Handbook, May 2013 58