[Fedora-i18n-bugs] [Bug 827516] New: [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
11:40 a.m.
https://bugzilla.redhat.com/show_bug.cgi?id=827516
Bug ID: 827516
QA Contact: extras-qa(a)fedoraproject.org
Severity: unspecified
Version: 16
Priority: unspecified
CC: fonts-bugs(a)lists.fedoraproject.org,
i18n-bugs(a)lists.fedoraproject.org, psatpute(a)redhat.com
Assignee: psatpute(a)redhat.com
Summary: [kn_IN] Vowel Signs U and UU do not correctly attach
to many consonants in Lohit Kannada
Regression: ---
Story Points: ---
Classification: Fedora
OS: Unspecified
Reporter: samjnaa(a)gmail.com
Type: Bug
Documentation: ---
Hardware: Unspecified
Mount Type: ---
Status: NEW
Component: lohit-kannada-fonts
Product: Fedora
Created attachment 588536
--> https://bugzilla.redhat.com/attachment.cgi?id=588536&action=edit
ODT and PDF for test-case
Description of problem:
While most other CONSONANT + VOWEL SIGN combinations in Lohit Kannada are
mapped to precomposed glyphs, there are no pre-composed glyphs for vowel signs
U and UU except for the consonants PA, PHA and VA (where the stroke for U/UU
needs to come from below the consonant rather than the normal right side of the
consonant).
While in most cases, by virtue of appropriate RSB and LSB values of the
consonant glyph and vowel sign glyph, the simple sequence of the two glyphs
creates an appropriate appearance, this leaves out several instances where the
glyphs do not overlap at all and hence appear disjointed. For a professional
appearance of the font, this should be fixed.
Version-Release number of selected component (if applicable):
2.5.1
How reproducible:
Input all possible sequences of Kannada consonants with vowel signs U and UU.
(See attached ODT for text. Use BabelMap
[http://www.babelstone.co.uk/software/babelmap.html] if you want the
codepoints.)
Actual results:
You can see (as in the attached PDF) that some consonants do not properly get
attached to the vowel signs U and UU.
Expected results:
All consonants should properly get attached to the vowel signs U and UU.
Additional info:
Consonants which are not properly joined with vowel sign U:
KA* NYA DDA DA BA RA SSA** RRA LLLA***
* = see at high magnification
** = may need separate precomposed glyph with some adjustment to shape of left
side of vowel sign
*** = so-called FA of Kannada Unicode
Consonants which are not properly joined with vowel sign UU:
Those already listed above for U, plus GHA and LLA, due to the shorter height
of the left-side ending node of this vowel sign.
I think in most cases appropriate kerning should solve the problem, except for
SSA + -U/-UU, GHA + -UU and LLA + -UU where separate glyphs would be advisable.
It is curious to note that DDA DA and BA are all disjointed whereas their
aspirated counterparts DDHA DHA and BHA which all have only an additional
notch-like stroke at the bottom are correctly joined with the vowel sign. I
think the LSB RSB values are carelessly allotted in some cases, unfortunately.
Other problems:
CU JU -- the pointed part on the left of the vowel sign U passes through the
consonants and comes out above (see carefully) -- actually *negative* kerning
is needed here so that the pointed part should only enter the consonant and not
again exit it.
(It seems this problem does not occur for vowel sign UU due to the shorter
height of the left-side ending node of this vowel sign which causes a problem
with GHA and LLA instead -- see above!)
Note:
Unfortunately I will not be able to provide a TTF patch for this as I am
already short of time on my official projects. Please take care of it. Thank
you!
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7:31 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
--- Comment #1 from Shriramana Sharma <samjnaa(a)gmail.com> ---
As a spillover from bug #825104, let me move the issue of Kannada NYA ಞ not
connecting properly with VS-U and -UU here.
Basically the problem is that the NYA consonant glyph ಞ does not have any
attachment point near the bottom right side of its bounding box. Not being a
Kannadiga, and without having any other proper attestation, I do not wish to
cursively join the bottom portion of the ponytail to the top portion of the ು ೂ
vowel sign which would seem a logical choice from one point of view. I fear
that doing so may confuse the reader because the ponytail on the top right of ಞ
may no longer be recognizable.
And I also realized that even in GHA ಘ there is no proper attachment point and
we have to be satisfied with the leftmost extreme of the stroke of ು ೂ to
overlap with some part of the right side of the consonant glyph. Likewise it
can be done for ಞ also, and I think we have to be satisfied with that
until/unless we get better attestation. (Note that I have pointed out that the
leftmost extreme of ೂ is at a much lower height than of ು. So the ೂ glyph must
either be totally replaced or replaced when coming after ಘ ಞ for overlapping
with the top right portion of the consonant.)
I think you can achieve all this using proper kerning etc, and only for GHA ಘ
and NYA ಞ you may need to design a slightly modified ು ೂ glyph (by increasing
the height) as described above. I hope you can take care of it.
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11:04 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
Product: Fedora
https://bugzilla.redhat.com/show_bug.cgi?id=827516
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12:33 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
Product: Fedora
https://bugzilla.redhat.com/show_bug.cgi?id=827516
Pravin Satpute <psatpute(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|16 |18
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2:37 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
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This message is a reminder that Fedora 18 is nearing its end of life.
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and issuing updates for Fedora 18. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as WONTFIX if it remains open with a Fedora
'version' of '18'.
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'
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11:01 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
Shriramana Sharma <samjnaa(a)gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|18 |rawhide
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9:46 p.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
--- Comment #4 from Pravin Satpute <psatpute(a)redhat.com> ---
Thanks Shriramana. We are targeting this improvement in lohit2.
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4:40 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
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6:13 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
Fedora End Of Life <jkurik(a)fedoraproject.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |CLOSED
Resolution|--- |EOL
Last Closed| |2016-12-20 07:13:54
--- Comment #7 from Fedora End Of Life <jkurik(a)fedoraproject.org> ---
Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is
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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
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6:30 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
Pravin Satpute <psatpute(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|CLOSED |ASSIGNED
Version|23 |25
Resolution|EOL |---
Keywords| |Reopened
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1:32 p.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
--- Comment #8 from Fedora End Of Life <jkurik(a)fedoraproject.org> ---
This message is a reminder that Fedora 25 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 25. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as EOL if it remains open with a Fedora 'version'
of '25'.
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.
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4:28 a.m.
New subject: [Fedora-i18n-bugs] [Bug 827516] [kn_IN] Vowel Signs U and UU do not correctly attach to many consonants in Lohit Kannada
https://bugzilla.redhat.com/show_bug.cgi?id=827516
Fedora End Of Life <jkurik(a)fedoraproject.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |CLOSED
Resolution|--- |EOL
Last Closed|2016-12-20 07:13:54 |2017-12-12 05:28:10
--- Comment #9 from Fedora End Of Life <jkurik(a)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.
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