[Bug 831238] New: [te_IN] Glyphs for NYU NYUU in Lohit Telugu are disconnected

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=831238

            Bug ID: 831238
        QA Contact: extras-qa at fedoraproject.org
          Severity: unspecified
           Version: 16
          Priority: unspecified
                CC: fonts-bugs at lists.fedoraproject.org,
                    i18n-bugs at lists.fedoraproject.org, psatpute at redhat.com
          Assignee: psatpute at redhat.com
           Summary: [te_IN] Glyphs for NYU NYUU in Lohit Telugu are
                    disconnected
        Regression: ---
      Story Points: ---
    Classification: Fedora
                OS: Unspecified
          Reporter: samjnaa at gmail.com
              Type: Bug
     Documentation: ---
          Hardware: Unspecified
        Mount Type: ---
            Status: NEW
         Component: lohit-telugu-fonts
           Product: Fedora

Created attachment 591209
  --> https://bugzilla.redhat.com/attachment.cgi?id=591209&action=edit
Replacement glyphs for NYU NYUU

Description of problem:

The sequences for NYU ఞ + ు and NYUU ఞ + ూ produce disjointed glyphs. 

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

2.5.1

How reproducible:

Using Lohit Telugu font, type ఞు ఞూ in a wordprocessor at high font size.

Actual results:

Glyphs are disjointed and not smoothly connected.

Expected results:

Glyphs should be properly joined.

Additional info:

I have attached glyphs for NYU and NYUU. Currently (as of 2.5.1) glyph for NYU
is at glyph ID 00AE. The NYUU glyph is not provided in precomposed manner but I
think just the consonant glyph and vowel sign glyph are placed in sequence.

The existing NYU glyph should be replaced with the newly provided glyph.
Further, a substitution mapping for ఞ + ూ to the new NYUU glyph should be
added.

The GPLed Pothana font has proper glyphs and using that as reference I have
made these replacement glyphs.

I have also touched up the vowel sign glyph for UU ూ as it was having some
awkward curvature on the bottom side of the rightward stroke i.e. ా part of ూ.
Even though it will be visible only at high font size, please replace that also
for sake of high quality of font.

I have included in the TTF the disjointed glyphic components by joining which I
have produced the new glyphs. This is just for reference. They are not needed
for the Lohit Telugu font.

Further, note that glyph VS-AA ా is also having this awkward curvature. But for
changing it I have to change glyphs of all consonant + AA combinations but I
don't have time to do that now. If possible please do that also.

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