provide their own implementation of OpenType will render Indic properly with OpenType fonts. (They may, however, not render Indic fonts with AAT tables correctly.) Mac OS X 10.5 shipped with fonts for Devanagari, Gurmukhi, Gujarati, Thai, Tibetan, and Tamil. Fonts for other Indic scripts were included in later versions of macOS and iOS, as well as being available from third parties. See also Apple typography Graphite (SIL) technology on MS Windows and Linux List of typographic features XeTeX References External links About Apple Advanced Typography Fonts, Apple's developer documentation - a set of command-line tools to work with fonts (in PDF format) An example of an AAT table Fontforge documentation Discussion on AAT used in Persian fonts Text rendering libraries Font formats MacOS APIs