bugUnifont - Bugs: bug #52027, Problems with Lao

 
 

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bug #52027: Problems with Lao

Submitter:  David Corbett <dscorbett>
Submitted:  Fri 15 Sep 2017 12:48:52 AM UTC
   
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  Fixed
Privacy:  Public Assigned to:  unifoundry
Open/Closed:  Closed

Tue 05 Jun 2018 11:55:34 PM UTC, comment #3: 

This script has been updated in Unifont 11.0.01.

Paul Hardy <unifoundry>
Group administrator
Fri 15 Sep 2017 02:22:31 PM UTC, comment #2: 

You have an impressive array of contacts. Could you ask whether it would be better for U+0EDC and U+0EDD to be one cell wide or two? That is, are they thought of as letters in their own right or as digraphs that happen to be ligated? When they take vowel signs, are the vowel signs centered, or do they go above the right half of the ligature?

David Corbett <dscorbett>
Fri 15 Sep 2017 06:46:40 AM UTC, comment #1: 

David,

Thank you. I actually know someone from Laos who might be able to answer questions about the Laotian script if you have any.


Paul Hardy

Paul Hardy <unifoundry>
Group administrator
Fri 15 Sep 2017 12:48:52 AM UTC, original submission:  

The vowels overlap the tones, so the vowels should be lowered. To make room for the vowels, the consonants should be lowered. This would make Lao have the same baseline as Thai and Latin.

U+0E87 LAO LETTER NGO should not have a curl at the end of the descender.

The dot of U+0EB3 LAO VOWEL SIGN AM should look like U+0ECD LAO NIGGAHITA. Ideally, Unifont would support glyphs which both overlap the preceding glyph and are spacing. (There are about 20 glyphs I think would benefit from this, by the way.)

U+0EC0 LAO VOWEL SIGN E should be centered.

U+0EC0 LAO VOWEL SIGN E and U+0EC1 LAO VOWEL SIGN EI should have rightwards curls at the top.

The digits U+0ED0–0ED9 should be as tall as the consonants. They are currently one pixel shorter.

U+0ED2 LAO DIGIT TWO should have an ascender.

U+0EDC LAO HO NO and U+0EDD LAO HO MO should be as tall as the other letters.

0E81:0000000000005C222222222222620000
0E82:0000000000003C420418204C52220000
0E84:0000000000003C424232424242320000
0E87:000000000000182C1404040404040438
0E88:0000000000003C42021A260202020000
0E8A:0000000000003C42640810204C720202
0E8D:000000000000324242324242423C0000
0E94:0000000000003C424242424252220000
0E95:000000000000245A4242424242220000
0E96:0000000000005C222222222222320202
0E97:0000000000008C525252525252220000
0E99:000000000000225222222222225C0000
0E9A:000000000000225222424242423C0000
0E9B:000002020202225222424242423C0000
0E9C:000000000001668682828292926C0000
0E9D:000002020202628282828292926C0000
0E9E:00000000000042A242828292926C0000
0E9F:00000202020242A242828292926C0000
0EA1:000000000000222222222222225C0000
0EA2:000002020202324242224242423C0000
0EA3:0000000000003C42403C0262423C0000
0EA5:0000000000003C42020202324A240000
0EA7:0000000000003C4202020242423C0000
0EAA:0000000000003A44467A02324A440000
0EAB:00000000000096494949494949310000
0EAD:0000000000003C4242463A0244380000
0EAE:000000000000324C403C0262423C0000
0EAF:00000000000022261A02040408081010
0EB0:00000000000022523C0022523C000000
0EB1:000000627C0000000000000000000000
0EB2:00000000000018241404040404040000
0EB3:000040A040000C120A02020202020000
0EB4:00000038440000000000000000000000
0EB5:0000003C460000000000000000000000
0EB6:00000038540000000000000000000000
0EB7:0000003C560000000000000000000000
0EB8:00000000000000000000000000001808
0EB9:00000000000000000000000000001A0C
0EBB:0000007C620000000000000000000000
0EBC:0000000000000000000000000000324C
0EBD:0000000000003A241804040404644438
0EC0:0000000000000C101010101018180000
0EC1:000000000000668888888888CCCC0000
0EC2:0000304C221804040404040406060000
0EC3:00003844543404040404040406060000
0EC4:0000804C340404040404040406060000
0EC6:0000000000006C525222020202020408
0EC8:10101000000000000000000000000000
0EC9:32143800000000000000000000000000
0ECA:29560000000000000000000000000000
0ECB:081C0800000000000000000000000000
0ECC:021C1800000000000000000000000000
0ECD:00000814080000000000000000000000
0ED0:0000000000003C4242424242423C0000
0ED1:0000000000003C42425A3A0204380000
0ED2:000004040408102040404046423C0000
0ED3:00001028140A442222222222225C0000
0ED4:000002020408102040404C4C483E0000
0ED5:0000020A1408102040404C4C483E0000
0ED6:00001028140A244242425252522C0000
0ED7:0000000000005C222222222222620202
0ED8:0000000000002C52524242260A142C30
0ED9:000000000000324A4A4A4A4A4A240000
0EDC:00000000000099555555555555260000
0EDD:0000000000009955555555555D2E0000
0EDE:000000000000B84444546D5E44C40000
0EDF:00000000000064848474AD9E84780000

Alternatively, since U+0EDC LAO HO NO and U+0EDD LAO HO MO are ligatures, and because they are cramped in 8 pixels, it may be advisable to use 16-pixel-wide glyphs for them instead.

0EDC:0000000000000000000000004B8424442444244424442444244418B800000000
0EDD:0000000000000000000000004B84244424442444244424C4254418B800000000

David Corbett <dscorbett>

 

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Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-06-05 unifoundry StatusNone Fixed
        Assigned toNone unifoundry
        Open/ClosedOpen Closed

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