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Linux 5.4.0-113-generic Ubuntu SMP x86_64 GNU/Linux
Application name and version
hb-view (HarfBuzz) 2.8.1
Issue
For some combinations of base letter and combining mark (diacritic) defined in DIN 91379
the combining mark ist positioned at the wrong place.
COMBINING COMMA ABOVE RIGHT should be above the letter, at the right side
COMBINING DOUBLE MACRON BELOW should be centered with respect to "KH"
COMBINING HORN, should have the same position in Noto Sans and Noto Sans Mono, see https://unicode.org/charts/PDF/U0300.pdf.
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changed the title
Wrong positioning for diacritics of DIN SPEC 91379 in Noto Sans Mono
Wrong positioning for diacritics of DIN 91379 in Noto Sans Mono
May 10, 2023
Defect Report
Title
Wrong positioning for diacritics of DIN 91379 in Noto Sans Mono
Font
NotoSansMono-Regular.ttf
Where the font came from, and when
Site: https://github.com/googlefonts/noto-fonts/blob/main/hinted/ttf/NotoSansMono/NotoSansMono-Regular.ttf
Date: 2022-06-05
Font Version
2.007; ttfautohint (v1.8) -l 8 -r 50 -G 200 -x 14 -D latn -f none -a qsq -X ""
OS name and version
Linux 5.4.0-113-generic Ubuntu SMP x86_64 GNU/Linux
Application name and version
hb-view (HarfBuzz) 2.8.1
Issue
For some combinations of base letter and combining mark (diacritic) defined in DIN 91379
the combining mark ist positioned at the wrong place.
COMBINING COMMA ABOVE RIGHT should be above the letter, at the right side
COMBINING DOUBLE MACRON BELOW should be centered with respect to "KH"
COMBINING HORN, should have the same position in Noto Sans and Noto Sans Mono, see https://unicode.org/charts/PDF/U0300.pdf.
Steps to reproduce: Call hb-view via
test.sh
Observed results:
wrong_position_noto_sans_mono_letters_NotoSansMono-Regular.pdf
Expected results: Compare with
wrong_position_noto_sans_mono_letters_NotoSans-Regular.pdf
and
wrong_position_noto_sans_mono_letters_Roboto-Regular.pdf
See https://unicode.org/charts/PDF/U0300.pdf
See "Combining comma above right" at wrong position #33
https://en.wikipedia.org/wiki/DIN_91379
https://github.com/String-Latin/DIN-91379-Characters-and-Sequences
Character data
K̛ S̛̄ T̛ t̛ C̕ K̕ P̕ T̕ c̕ p̕ Č̕ č̕ K͟H K͟h k͟h
wrong_position_noto_sans_mono_letters.txt
wrong_position_noto_sans_mono_list.txt
Screenshot
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