bugFree UCS Outline Fonts - Bugs: bug #52549, Unnecessary contextual forms in...


bug #52549: Unnecessary contextual forms in Tifinagh

Submitted by:  David Corbett <dscorbett>
Submitted on:  Tue 28 Nov 2017 07:56:45 PM UTC  
Category: individual character(s)Severity: 3 - Normal
Item Group: glyph(s) incorrectStatus: None
Privacy: PublicAssigned to: None
Open/Closed: OpenRelease: development

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Tue 28 Nov 2017 07:56:45 PM UTC, original submission:

In FreeSans and FreeSans Bold, U+2D4D TIFINAGH LETTER YAL and U+2D4F TIFINAGH LETTER YAN have slanted forms following another U+2D4D or U+2D4F. They should not; Unicode’s table 19-1 does not tell the full story. This slanting is only used to avoid the ambiguity of multiple parallel vertical lines. In Neo-Tifinagh (the style FreeSans implements) the lines of the yal are connected, so there is no longer any ambiguity, so there are no slanted contextual forms. See section D. 9 of http://hapax.qc.ca/propo_tifinagh.pdf, which says “this does not apply to Neo-Tifinagh”.

David Corbett <dscorbett>


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