Font that can be used for validating baseline alignments.
sajidanwar.com/misc/baseline-diagnostic-font/
Fix baseline name for ideographic-over
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dist/BaselineDiagnostic.ttf
dist/BaselineDiagnostic.ttf
This is a binary file and will not be displayed.
dist/BaselineDiagnosticAlphabeticZero.ttf
dist/BaselineDiagnosticAlphabeticZero.ttf
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dist/LICENSE.md
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dist/LICENSE.md
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Copyright (c) 2026, Sajid Anwar.
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This Font Software is licensed under the SIL Open Font License, Version 1.1.
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This Font Software is licensed under the SIL Open Font License, Version 1.1.
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This license is copied below, and is also available with a FAQ at:
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https\://openfontlicense.org
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dist/README.md
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dist/README.md
···
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| Baseline/Metric | Coordinate | BASE Value | OS/2 Value | hhea Value |
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|-------------------|------------|------------|----------------|------------|
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| ascent | 800 | | sTypoAscender | ascent |
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| ideographic-over | 750 | Idtp | | |
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| ideographic-over | 750 | idtp | | |
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| hanging | 650 | hang | | |
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| cap-height | 550 | | sCapHeight | |
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| math | 450 | math | | |
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main.py
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main.py
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[
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FontBaseline("OS/2", "sTypoAscender", None, 800, None),
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FontBaseline("hhea", "ascent", None, 800, None),
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FontBaseline("BASE", "Idtp", "IDEOGRAPHIC-OVER", 750, FontBaselineStyle.SOLID),
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FontBaseline("BASE", "idtp", "IDEOGRAPHIC-OVER", 750, FontBaselineStyle.SOLID),
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FontBaseline("BASE", "hang", "HANGING", 650, FontBaselineStyle.SOLID),
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FontBaseline("OS/2", "sCapHeight", "CAP-HEIGHT", 550, FontBaselineStyle.SOLID),
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FontBaseline("BASE", "math", "MATH", 450, FontBaselineStyle.SOLID),
···
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[
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FontBaseline("OS/2", "sTypoAscender", None, 800, None),
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FontBaseline("hhea", "ascent", None, 800, None),
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FontBaseline("BASE", "Idtp", "IDEOGRAPHIC-OVER", 750, FontBaselineStyle.SOLID),
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FontBaseline("BASE", "idtp", "IDEOGRAPHIC-OVER", 750, FontBaselineStyle.SOLID),
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FontBaseline("BASE", "hang", "HANGING", 650, FontBaselineStyle.SOLID),
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FontBaseline("OS/2", "sCapHeight", "CAP-HEIGHT", 550, FontBaselineStyle.SOLID),
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FontBaseline("BASE", "math", "MATH", 450, FontBaselineStyle.SOLID),
···
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| Baseline/Metric | Coordinate | BASE Value | OS/2 Value | hhea Value |
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|-------------------|------------|------------|----------------|------------|
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| ascent | 800 | | sTypoAscender | ascent |
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| ideographic-over | 750 | Idtp | | |
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| ideographic-over | 750 | idtp | | |
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| hanging | 650 | hang | | |
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| cap-height | 550 | | sCapHeight | |
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| math | 450 | math | | |
···
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f.write(dedent(r'''
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Copyright (c) 2026, Sajid Anwar.
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This Font Software is licensed under the SIL Open Font License, Version 1.1.
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This Font Software is licensed under the SIL Open Font License, Version 1.1.
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This license is copied below, and is also available with a FAQ at:
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https\://openfontlicense.org
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