kCTSuperscriptAttributeName

Static kCTSuperscriptAttributeName 

Source
pub unsafe static kCTSuperscriptAttributeName: &'static CFString
Available on crate feature CTStringAttributes only.
Expand description

Controls vertical text positioning.

Value must be a CFNumberRef. Default is int value 0. If supported by the specified font, a value of 1 enables superscripting and a value of -1 enables subscripting.

See also Apple’s documentation