behnam has just created a new issue for https://github.com/w3c/alreq: == Section on overlapping letter glyphs == In various styles of Persian/Arabic script, glyphs of letters may overlap intentionally. I think we need to cover this script feature under letter positioning section. An example from Zarnegar 5.2 Catalog (http://sinasoft.com/Downloads/zarnegar5.2/catalog/Zar52Cat.pdf): on the right we have "before repositioning" and on the left we have "after repositioning".  We should also note that sometimes, mostly because of bad (mainly practical) font glyph data, *unintentional* glyph overlap may occur. This unintentional behavior is different from the intentional design mentioned above, and a shaping engine may decide to be smart about this and resolve it somehow. Please view or discuss this issue at https://github.com/w3c/alreq/issues/87 using your GitHub accountReceived on Monday, 2 January 2017 17:33:02 UTC
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