[Bug 807068] New: Please fine-tune glyphs of Tamil numerals and one symbol in Lohit Tamil font

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Mon Mar 26 22:17:14 UTC 2012

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Summary: Please fine-tune glyphs of Tamil numerals and one symbol in Lohit Tamil font


           Summary: Please fine-tune glyphs of Tamil numerals and one
                    symbol in Lohit Tamil font
           Product: Fedora
           Version: 16
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: unspecified
          Priority: unspecified
         Component: lohit-tamil-fonts
        AssignedTo: psatpute at redhat.com
        ReportedBy: samjnaa at gmail.com
         QAContact: extras-qa at fedoraproject.org
                CC: fonts-bugs at lists.fedoraproject.org,
                    psatpute at redhat.com, i18n-bugs at lists.fedoraproject.org
    Classification: Fedora
      Story Points: ---
              Type: ---
        Regression: ---
        Mount Type: ---
     Documentation: ---

Created attachment 572886
  --> https://bugzilla.redhat.com/attachment.cgi?id=572886
TTF of replacement glyphs and attestations for the same

Description of problem:

The Tamil digits in the Lohit Tamil font are not true to the actual printed
glyphs and hence do not look so good even though the rest of the Lohit Tamil
font is OTOH exceptionally of good quality.

The glyph of one Tamil symbol 0BF6 TAMIL DEBIT SIGN is also not true to the
printed glyphs.

Version-Release number of selected component (if applicable):


How reproducible:

Using Lohit Tamil font, compare glyphs to existing printed glyphs.

Actual results:

The relative proportions, shapes and lengths of the strokes in some of the
glyphs are not according to the actual usage in printing. Some changes were
subtle, some were very obvious.

Expected results:

For maintaining high quality, the above problem should be fixed.

Additional info:

I have attached a small font with the replacement glyphs. Mostly they are:

1) glyphs copied from elsewhere in the font or another Lohit font (for zero)
2) existing glyphs with positioning of some nodes slightly modified

If above not possible, only then I have changed the number of nodes. 

I have also provided the attestations from printed books. Especially please
note that the Tamil zero should be perfectly circular, and the 0BF6 TAMIL DEBIT
SIGN should be derived from Tamil PA рок. [In the Unicode chart, the glyph of
0BF6 is wrong and I have asked them to correct it.]

Please make sure to autohint the glyphs as due to change in number of points
the original hinting information might have been lost. Sorry for that.

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