[Bug 841947] New: [te_IN] Add support for Telugu nakaarapollu and repha to Lohit Telugu font
https://bugzilla.redhat.com/show_bug.cgi?id=841947
Bug ID: 841947 QA Contact: extras-qa@fedoraproject.org Severity: unspecified Version: rawhide Priority: unspecified CC: fonts-bugs@lists.fedoraproject.org, i18n-bugs@lists.fedoraproject.org, psatpute@redhat.com Assignee: psatpute@redhat.com Summary: [te_IN] Add support for Telugu nakaarapollu and repha to Lohit Telugu font Regression: --- Story Points: --- Classification: Fedora OS: Unspecified Reporter: samjnaa@gmail.com Type: Bug Documentation: --- Hardware: Unspecified Mount Type: --- Status: NEW Component: lohit-telugu-fonts Product: Fedora
Created attachment 599423 --> https://bugzilla.redhat.com/attachment.cgi?id=599423&action=edit Glyphs for Telugu nakaarapollu and repha
Telugu script has special form of vowelless NA called four-pronged nakaarapollu. Strictly speaking nakaarapollu means nakaara + pollu=virama so regular form of vowelless-NA న్ is also nakaarapollu but Telugu old grammarian Brown has specifically called a distinct form as nakaarapollu.
The recommended model for getting Telugu nakaarapollu is NA + ZWJ + VIRAMA.
Please find more details in the document:
https://sites.google.com/site/jamadagni/files/utcsubmissions/11409-telugu-na...
Likewise Telugu script has old repha form which is not found in common usage in current Telugu script. A modern-style Telugu font can allow user to select old-style reph by using the sequence RA + VIRAMA + ZWJ + CONSONANT because the plain RA + VIRAMA + CONSONANT would be presented as RA with sub-base form of CONSONANT.
Please find more details in the document:
https://sites.google.com/site/jamadagni/files/utcsubmissions/12017-telugu-re...
These two documents have been approved by the UTC in the Feb 2012 meeting:
http://www.unicode.org/L2/L2012/12007.htm
<quote> [130-A15] Action Item for Deborah Anderson, Editorial Committee: Update the core specification text on Telugu nakaara-pollu based on input in document L2/11-409.
[130-A16] Action Item for Deborah Anderson: Incorporate text on Telugu Reph from L2/12-017 into the Telugu block description. </quote>
It is requested to:
1) add the glyphs for nakaarapollu and repha to the Lohit Telugu font:
2) add substitution mapping of NA + ZWJ + VIRAMA to the nakaarapollu glyph
3) add requisite OT markups for repha glyph so that a compliant OT system can recognize the repha glyph and render sequence of RA + VIRAMA + ZWJ + CONS using that glyph.
https://bugzilla.redhat.com/show_bug.cgi?id=841947
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https://bugzilla.redhat.com/show_bug.cgi?id=841947
Pravin Satpute psatpute@redhat.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Version|19 |20
--- Comment #3 from Pravin Satpute psatpute@redhat.com --- we will do this in Lohit2. Moving to
https://bugzilla.redhat.com/show_bug.cgi?id=841947
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https://bugzilla.redhat.com/show_bug.cgi?id=841947
Shriramana Sharma samjnaa@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Version|20 |23
--- Comment #5 from Shriramana Sharma samjnaa@gmail.com --- Hello. I note that I had provided the glyphs for the nakaarapollu and reph. I'm not sure why action is not taken on this bug.
Anyhow, I am sorry to say that the sequence mentioned by me in the bug summary for nakaarapollu i.e. NA + ZWJ + VIRAMA is not correct and not approved by UTC -- I apologise for this serious gaffe. As per the very Unicode reference doc L2/11-409 I had provided (my own) the NA + ZWJ + VIRAMA is theoretically applicable for the isolate glyph but is not appropriate in running text because ZWJ + VIRAMA requests C2-conjoining forms. The UTC only approved documenting this written form as an alternate presentation of vowelless NA when isolate. So the request about nakaarapollu may be ignored.
However the part about the reph is entirely appropriate and approved by the UTC. As such, it should be possible to add the requisite OT tags so that shaping engines can display it when requested by RA + VIRAMA + ZWJ + C.
https://bugzilla.redhat.com/show_bug.cgi?id=841947
--- Comment #6 from Pravin Satpute psatpute@redhat.com --- I am still not clear on implementation of Reph. Need to do some experimentation.
From experience as soon as we use feature Reph, its started get ordering at the end of syllable. Will try this soon.
https://bugzilla.redhat.com/show_bug.cgi?id=841947
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Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
https://bugzilla.redhat.com/show_bug.cgi?id=841947
Fedora End Of Life jkurik@fedoraproject.org changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |CLOSED Resolution|--- |EOL Last Closed| |2016-12-20 07:15:52
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https://bugzilla.redhat.com/show_bug.cgi?id=841947
Pravin Satpute psatpute@redhat.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|CLOSED |ASSIGNED Version|23 |25 Resolution|EOL |--- Keywords| |Reopened
https://bugzilla.redhat.com/show_bug.cgi?id=841947
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Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version.
Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 25 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above.
Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
https://bugzilla.redhat.com/show_bug.cgi?id=841947
Fedora End Of Life jkurik@fedoraproject.org changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |CLOSED Resolution|--- |EOL Last Closed|2016-12-20 07:15:52 |2017-12-12 05:27:58
--- Comment #10 from Fedora End Of Life jkurik@fedoraproject.org --- Fedora 25 changed to end-of-life (EOL) status on 2017-12-12. Fedora 25 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug.
If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug.
Thank you for reporting this bug and we are sorry it could not be fixed.
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