https://www.myfonts.com/pages/closure-announcement-faq
Linotype Support - OpenType

OpenType Info

Linotype Arabic OpenType Fonts

Group A and Yakout

These fonts include all required OpenType features for the proper representation of Arabic (composition/decomposition and the substitutions necessary for joining and non-joining letters)

plus Extra:
Proportional numerals
Fractions (Latin)
Ligatures (Required, Standard, and Discretionary)
Localized Forms
Mark Positioning
Mark-to-Mark positioning
Kerning

The fonts also include ornaments, though not as an OpenType feature.


Group B

These fonts include all required OoenType features for the proper representation of Arabic (composition/decomposition and the substitutions necessary for context sensitivity)

plus Extra:
Proportional numerals
Ligatures (Required and Standard)
Mark Positioning
Mark-to-Mark positioning

The fonts also include ornaments, though not as an Opentype feature.

more ... OpenType and Web Security

Adobe OpenType user guide is available as pdf file. Please download:
pdf file english (997,4 kb)
Download PDF