bugFree UCS Outline Fonts - Bugs: bug #51786, Devanagari for Hindi: some...

 
 

bug #51786: Devanagari for Hindi: some conjuncts missing

Submitted by:  Steve White <Stevan_White>
Submitted on:  Fri 18 Aug 2017 06:04:34 PM UTC  
 
Category: individual character(s)Severity: 3 - Normal
Item Group: glyph(s) incorrectStatus: Fix posted
Privacy: PublicAssigned to: Steve White <Stevan_White>
Open/Closed: OpenRelease: development

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Sat 19 Aug 2017 08:52:24 AM UTC, comment #5:

With today's commit, sans and mono should be fixed.

Note: need to revisit the half forms for these conjuncts. Doubt that the tables are working right in any case. If the stand-alone conjunct exists, shoud the half-form conjunct also be formed, generally?

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Sat 19 Aug 2017 08:50:50 AM UTC, comment #4:

Note: can the TDIL document be trusted? I saw at least one bug in v. 1.4.10. ng-ca is depicted as ca-ca.

So I fell back to checking other Devanagari fonts. Now, the consistency isn't great, and many fonts try to support Sanskrit to some degree... and most pre-date the TDIL standard. But most of them supported the stemless pairs, as well as the tt-ma. Many apparently Hindi fonts make a d-ba ligature though. I don't know.

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Fri 18 Aug 2017 09:15:35 PM UTC, comment #3:

Found another one. THis forms a vertical ligature:
न्न

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Fri 18 Aug 2017 08:39:36 PM UTC, comment #2:

Better listing:

These should form vertical ligatures in Hindi:
ट्ट ट्ठ ठ्ठ ड्ड ड्ढ ढ्ढ
द्द द्ध द्म द्य द्व

This should not form a vertical ligature in Hindi:
द्ब

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Fri 18 Aug 2017 07:49:57 PM UTC, comment #1:

Should be fixed in serif faces.

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Fri 18 Aug 2017 06:04:34 PM UTC, original submission:

There is a discrepancy between the current TDIL Script Grammar for Hindi, and the document for the velthuis font documentation, on which FreeSerif was based.

These should form vertical ligatures in Hindi:
ट्ट ट्ठ ठ्ठ ड्ड डढ ढढ
द्द द्ध द्भ द्य द्व

This should not form a vertical ligature in Hindi:
द्ब

A few of these aren't even listed in the velthuis conjuncts table.

Steve White <Stevan_White>
Project AdministratorIn charge of this item.

 

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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Sat 19 Aug 2017 08:52:24 AM UTCStevan_WhiteStatusProceeding=>Fix posted

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