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Vertical Position Font Feature Selector Constants

For fonts that support the vertical position feature type, you can select features that allow you to specify glyph variants related to vertical position, as shown in Table D-27.

Table D-27 Feature selectors for the kVerticalPositionType feature type

Constant	Explanation
`kNormalPositionSelector`	Specifies use of normally positioned glyph set.
`kSuperiorsSelector`	Specifies use of superiors: glyph variants that are positioned above the baseline, used typically for superscripts.
`kInferiorsSelector`	Specifies use of inferiors: glyph variants that are positioned below the baseline, used typically for subscripts.
`kOrdinalsSelector`	Specifies contextual substitution of glyphs that replace ordinal designations attached to numerals (such as "1 st " substituting for "1st").