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Fontspector Technical Report

If you think a check is flawed or have an idea for a check, please file an issue at https://github.com/fonttools/fontspector/issues and remember to include a pointer to the repo and branch you're checking.

Summary

🔥 FAIL⚠️ WARNℹ️ INFO✅ PASS⏩ SKIP
3 12 8 109 52
2% 7% 4% 59% 28%

Meaning of check results:

If you get ERRORs, please help us improve the tool by reporting them at our issue tracker.

(but other kinds of bug reports and/or feature requests are also always welcome, of course!)

Fontspector version: 1.5.0

Universal Profile Checks

Detect any interpolation issues in the font.

Check ID: interpolation_issues
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    Glyph uni0621 has interpolation issues:

    • Kink in contour 0 at node 31
    [code: glyph]

Check math signs have the same width.

Check ID: math_signs_width
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    The most common width is 572 among a set of 7 math glyphs. The following math glyphs have a different width, though: width=573: equal, plus, minus

    [code: width-outliers]

Ensure indic fonts have the Indian Rupee Sign glyph.

Check ID: rupee
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    Font is missing the Indian Rupee Sign glyph. Please add a glyph for Indian Rupee Sign (₹) at codepoint U+20B9.

    [code: missing-rupee]

Checking that the typoAscender exceeds the yMax of the /Agrave.

Check ID: typoascender_exceeds_Agrave
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    OS/2.sTypoAscender value should be greater than 944, but got 926 instead

    [code: typoAscender]

Check font contains no unreachable glyphs

Check ID: unreachable_glyphs
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    The following glyphs could not be reached by codepoint or substitution rules:

    • uni0308.1
    • uni0307.1
    • uni030A.1
    • tildecomb
    • uni0304.1
    [code: unreachable-glyphs]

Whitespace glyphs have ink?

Check ID: whitespace_ink
🔥 NotoSansSyriac[wght].ttf
  • 🔥 FAIL

    The following glyphs have ink; they should be replaced by an empty glyph:

    • uni070F
    • uni200E
    • uni200F
    [code: has-ink]

Metadata Checks

Check for codepoints not covered by METADATA subsets.

Check ID: googlefonts/metadata/unreachable_subsetting
⚠️ variable-ttf
  • ⚠️ WARN

    fonts/NotoSansSyriac/googlefonts/variable-ttf/NotoSansSyriac[wght].ttf: The following codepoints supported by the font are not covered by any subsets defined in the font's metadata file, and will never be served. You can solve this by either manually adding additional subset declarations to METADATA.pb, or by editing the glyphset definitions.

    • U+02D8 BREVE: try adding one of: canadian-aboriginal, yi
    • U+02D9 DOT ABOVE: try adding one of: canadian-aboriginal, yi
    • U+02DB OGONEK: try adding one of: canadian-aboriginal, yi
    • U+0302 COMBINING CIRCUMFLEX ACCENT: try adding one of: cherokee, tifinagh, math, coptic
    • U+0306 COMBINING BREVE: try adding one of: tifinagh, old-permic
    • U+030B COMBINING DOUBLE ACUTE ACCENT: try adding one of: cherokee, osage
    • U+030C COMBINING CARON: try adding one of: cherokee, tai-le
    • U+0326 COMBINING COMMA BELOW: try adding math
    • U+0327 COMBINING CEDILLA: try adding math

    Or you can add the above codepoints to one of the subsets supported by the font: latin-ext, latin, syriac

    [code: unreachable-subsetting]

Glyphset Checks

Shapes languages in all GF glyphsets.

Check ID: googlefonts/glyphsets/shape_languages
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    Warning language shaping:

    Message Languages
    Auxiliary orthography codepoints: * fi_Latn (Finnish)
    The following auxiliary characters are missing from the font: Ǥ
    The following auxiliary characters are missing from the font: Ŋ
    The following auxiliary characters are missing from the font: Ŧ
    The following auxiliary characters are missing from the font: Ʒ
    The following auxiliary characters are missing from the font: Ǯ
    The following auxiliary characters are missing from the font: ǥ
    The following auxiliary characters are missing from the font: ŋ
    The following auxiliary characters are missing from the font: ŧ
    The following auxiliary characters are missing from the font: ʒ
    The following auxiliary characters are missing from the font: ǯ
    Auxiliary orthography codepoints: * nb_Latn (Norwegian Bokmål)
    The following auxiliary characters are missing from the font: Ŋ
    The following auxiliary characters are missing from the font: Ŧ
    The following auxiliary characters are missing from the font: ŋ
    The following auxiliary characters are missing from the font: ŧ
    Auxiliary orthography codepoints: * de_Latn (German)
    The following auxiliary characters are missing from the font: ſ * fr_Latn (French)
    Auxiliary orthography codepoints: * ca_Latn (Catalan)
    The following auxiliary characters are missing from the font: Ŀ
    The following auxiliary characters are missing from the font: ŀ
    Auxiliary orthography codepoints: * en_Latn (English)
    The following auxiliary characters are missing from the font: ʻ
    Auxiliary orthography codepoints: * nl_Latn (Dutch)
    The following auxiliary characters are missing from the font: IJ
    The following auxiliary characters are missing from the font: ij
    [code: warning-language-shaping]

Font has correct separator glyphs?

Check ID: googlefonts/separator_glyphs
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    The following separator glyphs are missing:

    • U+2028
    • U+2029
    [code: missing-separator-glyphs]

Font File Checks

Ensure fonts have ScriptLangTags declared on the 'meta' table.

Check ID: googlefonts/meta/script_lang_tags
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    This font file does not have a 'meta' table.

    [code: lacks-meta-table]

Version number has increased since previous release on Google Fonts?

Check ID: googlefonts/version_bump
🔥 NotoSansSyriac[wght].ttf
  • 🔥 FAIL

    Version number 3 is equal to version on Google fonts

    [code: same-version]

Shaping Checks

Ensure dotted circle glyph is present and can attach marks.

Check ID: dotted_circle
🔥 NotoSansSyriac[wght].ttf
  • 🔥 FAIL

    The following glyphs could not be attached to the dotted circle glyph:

    • uni0742
    • uni0325
    [code: unattached-dotted-circle-marks]

Ensure soft_dotted characters lose their dot when combined with marks that replace the dot.

Check ID: soft_dotted
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    The dot of soft dotted characters used in orthographies must disappear in the following strings:

    • į̀

    • į̃

    • į̂

    • į́

    • į̄

    • į̌

    • i̊The dot of soft dotted characters should disappear in other cases, for example:

    • į᷸̆

    • į᷸̀

    • į᷸̃

    • į᷸̊

    • į᷸̂

    • į᷸́

    • į᷸̈

    • į᷸̇

    • į᷸̄

    • į᷸̋

    • į᷸̌

    • į̨̆

    • į̨̀

    • į̨̃

    • į̨̊

    • į̨̂

    • į̨́

    • į̨̈

    • į̨̇

    • į̨̄

    • į̨̋

    • į̨̌

    • į̮̆

    • į̮̀

    • į̮̃

    • į̮̊

    • į̮̂

    • į̮́

    • į̮̈

    • į̮̇

    • į̮̄

    • į̮̋

    • į̮̌

    • į̱̆

    • į̱̀

    • į̱̃

    • į̱̊

    • į̱̂

    • į̱́

    • į̱̈

    • į̱̇

    • į̱̄

    • į̱̋

    • į̱̌

    • į᷺̆

    • į᷺̀

    • į᷺̃

    • į᷺̊

    • į᷺̂

    • į᷺́

    • į᷺̈

    • į᷺̇

    • į᷺̄

    • į᷺̋

    • į᷺̌

    • į̰̆

    • į̰̀

    • į̰̃

    • į̰̊

    • į̰̂

    • į̰́

    • į̰̈

    • į̰̇

    • į̰̄

    • į̰̋

    • į̰̌

    • į̦̆

    • į̦̀

    • į̦̃

    • į̦̊

    • į̦̂

    • į̦́

    • į̦̈

    • į̦̇

    • į̦̄

    • į̦̋

    • į̦̌

    • į̭̆

    • į̭̀

    • į̭̃

    • į̭̊

    • į̭̂

    • į̭́

    • į̭̈

    • į̭̇

    • į̭̄

    • į̭̋

    • į̭̌

    • į̥̆

    • į̥̀

    • į̥̃

    • į̥̊

    • į̥̂

    • į̥́

    • į̥̈

    • į̥̇

    • į̥̄

    • į̥̋

    • į̥̌

    • į̧̆

    • į̧̀

    • į̧̃

    • į̧̊

    • į̧̂

    • į̧́

    • į̧̈

    • į̧̇

    • į̧̄

    • į̧̋

    • į̧̌

    • į̠̆

    • į̠̀

    • į̠̃

    • į̠̊

    • į̠̂

    • į̠́

    • į̠̈

    • į̠̇

    • į̠̄

    • į̠̋

    • į̠̌

    • į̤̆

    • į̤̀

    • į̤̃

    • į̤̊

    • į̤̂

    • į̤́

    • į̤̈

    • į̤̇

    • į̤̄

    • į̤̋

    • į̤̌

    • į̣̆

    • į̣̀

    • į̣̃

    • į̣̊

    • į̣̂

    • į̣́

    • į̣̈

    • į̣̇

    • į̣̄

    • į̣̋

    • į̣̌

    • į̆

    • į̊

    • į̈

    • į̇

    • į̋

    • j᷸̃

    • j᷸̊

    • j᷸̈

    • j᷸̇

    • j᷸̄

    • j̨̃

    • j̨̊

    • j̨̈

    • j̨̇

    • j̨̄

    • j̮̃

    • j̮̊

    • j̮̈

    • j̮̇

    • j̮̄

    • j̱̃

    • j̱̊

    • j̱̈

    • j̱̇

    • j̱̄

    • j᷺̃

    • j᷺̊

    • j᷺̈

    • j᷺̇

    • j᷺̄

    • j̰̃

    • j̰̊

    • j̰̈

    • j̰̇

    • j̰̄

    • j̦̃

    • j̦̊

    • j̦̈

    • j̦̇

    • j̦̄

    • j̭̃

    • j̭̊

    • j̭̈

    • j̭̇

    • j̭̄

    • j̥̃

    • j̥̊

    • j̥̈

    • j̥̇

    • j̥̄

    • j̧̃

    • j̧̊

    • j̧̈

    • j̧̇

    • j̧̄

    • j̠̃

    • j̠̊

    • j̠̈

    • j̠̇

    • j̠̄

    • j̤̃

    • j̤̊

    • j̤̈

    • j̤̇

    • j̤̄

    • j̣̃

    • j̣̊

    • j̣̈

    • j̣̇

    • j̣̄

    • ĩ᷸

    • i᷸̊

    • i᷸̇

    • ĩ̮

    • i̮̊

    • i̮̇

    • ĩ̱

    • i̱̊

    • i̱̇

    • ĩ᷺

    • i᷺̊

    • i᷺̇

    • ḭ̃

    • ḭ̊

    • ḭ̇

    • ĩ̦

    • i̦̊

    • i̦̇

    • ĩ̭

    • i̭̊

    • i̭̇

    • ĩ̥

    • i̥̊

    • i̥̇

    • ĩ̧

    • i̧̊

    • i̧̇

    • ĩ̠

    • i̠̊

    • i̠̇

    • ĩ̤

    • i̤̊

    • i̤̇

    • ị̃

    • ị̊

    • ị̇

    [code: soft-dotted]

Outline Checks

Check the direction of the outermost contour in each glyph

Check ID: outline_direction
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    The following glyphs have a counter-clockwise outer contour:

    • uni072B.medi has a path with no bounds (probably a single point)
    • uni072B.init has a path with no bounds (probably a single point)
    [code: ccw-outer-contour]

Check there are no overlapping path segments

Check ID: overlapping_path_segments
⚠️ NotoSansSyriac[wght].ttf
  • ⚠️ WARN

    The following glyphs have overlapping path segments:

    • uni072B (U+072B): Quad(QuadBez { p0: (479.0, 395.0), p1: (479.0, 395.0), p2: (479.0, 394.0) }) has the same coordinates as a previous segment.
    • uni072B (U+072B): Quad(QuadBez { p0: (479.0, 394.0), p1: (479.0, 395.0), p2: (479.0, 394.5) }) has the same coordinates as a previous segment.
    • uni072B (U+072B): Quad(QuadBez { p0: (479.0, 394.5), p1: (479.0, 394.0), p2: (479.0, 394.0) }) has the same coordinates as a previous segment.
    • uni072B.fina: Quad(QuadBez { p0: (479.0, 394.0), p1: (479.0, 394.0), p2: (479.0, 393.0) }) has the same coordinates as a previous segment.
    • uni072B.fina: Quad(QuadBez { p0: (479.0, 393.0), p1: (479.0, 394.0), p2: (479.0, 393.5) }) has the same coordinates as a previous segment.
    • uni072B.fina: Quad(QuadBez { p0: (479.0, 393.5), p1: (479.0, 393.0), p2: (479.0, 393.0) }) has the same coordinates as a previous segment.
    • uni072B.medi: Quad(QuadBez { p0: (272.0, 391.0), p1: (272.0, 391.0), p2: (272.0, 390.0) }) has the same coordinates as a previous segment.
    • uni072B.medi: Quad(QuadBez { p0: (272.0, 390.0), p1: (272.0, 391.0), p2: (272.0, 390.5) }) has the same coordinates as a previous segment.
    • uni072B.medi: Quad(QuadBez { p0: (272.0, 390.5), p1: (272.0, 390.0), p2: (272.0, 390.0) }) has the same coordinates as a previous segment.
    • uni072B.init: Quad(QuadBez { p0: (272.0, 391.0), p1: (272.0, 391.0), p2: (272.0, 390.0) }) has the same coordinates as a previous segment.
    • uni072B.init: Quad(QuadBez { p0: (272.0, 390.0), p1: (272.0, 391.0), p2: (272.0, 390.5) }) has the same coordinates as a previous segment.
    • uni072B.init: Quad(QuadBez { p0: (272.0, 390.5), p1: (272.0, 390.0), p2: (272.0, 390.0) }) has the same coordinates as a previous segment.
    [code: overlapping-path-segments]