Shawn Landden <shawnlandden at tuta dot io> wrote: > Arabic ligitures have been deprecated[1], despite a need for both > ligitures and non-ligature versions of the same glyphs.
The only Arabic character that is deprecated in the standard is U+0673 ARABIC LETTER ALEF WITH WAVY HAMZA BELOW. The Wikipedia article cited as "[1]" does not claim otherwise. > Amiri uses contextual alternatives for الله. These ligatures are > used in religious documents[2] via pictures, which seems to be what > the current Unicode standard recommends. What is your source for this? > Unlike the presentation forms, there is case for these phrases and > formulas to be available both in ligature and non-ligature form. All Arabic letters and combinations can be rendered in ligated or non-ligated forms as needed using some combination of ZWJ and ZWNJ. See TUS 8.0, Section 9.2. > These ligatures should be non-deprecated and subject to canonical > decomposition, rather than compatibility decomposition. Section 9.2 (page 386 ff.) explains the Arabic Presentation Forms-A block (U+FB50—U+FDFF) in greater detail. -- Doug Ewell | http://ewellic.org | Thornton, CO 🇺🇸
