Gets the character collection for a glyph info object.
- iOS 3.2+
- macOS 10.5+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Core Text
The glyph info from which to get the character collection. May not be
The character collection of the given glyph info object.
If the glyph info object was created with a glyph name or a glyph index, its character collection is