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notofonts / tamil

Noto Tamil
SIL Open Font License 1.1
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Positioning of Grantha nukta inconsistent #2

Open dscorbett opened 4 years ago

dscorbett commented 4 years ago

Font

NotoSerifTamil-Regular.otf NotoSerifTamilSlanted-Regular.otf

Where the font came from, and when

Site: https://github.com/googlefonts/noto-fonts/blob/115d38430d957d38307457c036302b7bdbe0bbc4/phaseIII_only/unhinted/otf/NotoSerifTamil/NotoSerifTamil-Regular.otf Site: https://github.com/googlefonts/noto-fonts/blob/115d38430d957d38307457c036302b7bdbe0bbc4/phaseIII_only/unhinted/otf/NotoSerifTamilSlanted/NotoSerifTamilSlanted-Regular.otf Date: 2020-04-08

Font version

Version 2.000

Issue

U+1133C GRANTHA SIGN NUKTA blocks ligatures. Noto Sans Tamil gets it right.

Character data

க𑌼ுகு U+0B95 TAMIL LETTER KA U+1133C GRANTHA SIGN NUKTA U+0BC1 TAMIL VOWEL SIGN U U+0B95 TAMIL LETTER KA U+0BC1 TAMIL VOWEL SIGN U

Screenshot

க𑌼ுகு க𑌼ுகு

punchcutter commented 4 years ago

@marekjez86 This is for the Tamil fonts so should be labeled Script-Tamil

nizarsq commented 4 years ago

@dscorbett for some reason I'm getting a different behavior. Apparently, U+0B95 TAMIL LETTER KA shape stay the same when followed by U+1133C GRANTHA SIGN NUKTA, but U+1133C GRANTHA SIGN NUKTA placement is different in NotoSansTamil. I'm not language/script expert and I might be missing something here. Attaching a screenshot of the result I got and the test case.

Screen Shot 2020-06-22 at 10 55 38 PM Screen Shot 2020-06-22 at 10 56 03 PM
dscorbett commented 4 years ago

I’m now getting the same behavior you are. It must have been fixed in version 2.001. I don’t know whether the position of the dots inside or outside the curve matters.

nizarsq commented 4 years ago

I believe dots position should be consistent. Maybe language/script opinion will be a good option. @marekjez86 what do you think?

simoncozens commented 1 year ago

@virtualvinodh, could you give an opinion on where Grantha nuktas should go on Tamil glyphs? (Or if it matters?)

shape shape

virtualvinodh commented 1 year ago

Personally, I have never used Nuktas with Tamil letters.

If I were to use one, I would go for the second image. Looks more natural.

V

simoncozens commented 1 year ago

Thanks!

jamadagni commented 1 year ago

I agree with @virtualvinodh that it would be simpler, cleaner and more consistent to keep the nukta below the consonant+vowel ligature, but it is possible that it was done due to line spacing considerations? Normally Tamil is a vertically very compact but horizontally more space-using script, so please check that before making any changes.

jamadagni commented 1 year ago

FWIW I should note that the OP shows the consonant+vowel ligature broken by the nukta. Please ensure that it is not broken so. What is shown by @simoncozens in the last image above is correct.