Behnam Esfahbod

Screenshot on my system, with buggy fonts marked highlighted red: Creating these kinds of ligatures, specially RIAL and ALLAH are very common in fonts. The bug here seams to be...

Right, @khaledhosny. True that we want to discourage them in text. So, the question is, do we want to cover the issue for the sake of improving font development processes...

See also [*Origin of the numerals* by Ahmed Boucenna](http://xxx.lanl.gov/ftp/math/papers/0606/0606699.pdf), which proposes new roots for Western Arabic (Ghubar) numerals, also demoing examples in manuscripts.

@khaledhosny, that last paper on the roots of the system, yes. But, "Western Arabic Numerals" are very well know and documented. I have tracked it back to *A History of...

From *1969 - Karl Menninger - Number Words and Number Symbols - A cultural History of Numbers*:

@r12a, I think this is something the Activity should consider tracking in general. I don't think there's any public page for this specific usage, yet, though.

A proposal is submitted to MS to register an axis for this: > Tag: gext > > Name: Glyph Extension > > Description: Used to vary the extension of a...

Demo repository for the proposed GEXT axis: https://github.com/jmsole/gext-demos Demo page: https://jmsole.github.io/gext-demos/gext-handles/

We have two sections in the document related to this: * https://w3c.github.io/alreq/#h_letterspacing * https://w3c.github.io/alreq/#h_letterhighlights

So, let's have sections on basics (terminology, encoding, direction, ordering) of Arabic Numerals and Abjad Numerals in Chapter 2. Also we should cover Alphabetic ordering of letters in Chapter 2....