Fontbakery 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/fontbakery/issues and remember to include a pointer to the repo and branch you're checking.

Summary

💥 ERROR 🔥 FAIL ⚠️ WARN ⏩ SKIP ℹ️ INFO ✅ PASS
1 0 7 37 9 187
1% 0% 4% 21% 5% 107%

Note: The following loglevels were omitted in this report: SKIP, INFO, PASS, DEBUG

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!)

FontBakery version: 0.9.2

Section: Google Fonts

⚠️⚠️⚠️⚠️⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩ℹ️ℹ️ℹ️ℹ️ℹ️ℹ️ℹ️

Check for codepoints not covered by METADATA subsets.

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/unreachable_subsetting>
⚠️ FrankRuhlLibre[wght].ttf
  • ⚠️ WARN

    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+02C7 CARON: try adding one of: canadian-aboriginal, tifinagh
    • U+02D8 BREVE: try adding canadian-aboriginal
    • U+02D9 DOT ABOVE: try adding canadian-aboriginal
    • U+02DB OGONEK: try adding canadian-aboriginal
    • U+02DD DOUBLE ACUTE ACCENT: not included in any glyphset definition
    • U+0300 COMBINING GRAVE ACCENT: try adding one of: coptic, tai-le, cherokee
    • U+0301 COMBINING ACUTE ACCENT: try adding one of: coptic, tifinagh, tai-le, cherokee
    • U+0302 COMBINING CIRCUMFLEX ACCENT: try adding one of: coptic, tifinagh, cherokee
    • U+0303 COMBINING TILDE: not included in any glyphset definition
    • U+0304 COMBINING MACRON: try adding one of: gothic, coptic, tifinagh, cherokee
    • U+0306 COMBINING BREVE: try adding tifinagh
    • U+0307 COMBINING DOT ABOVE: try adding one of: canadian-aboriginal, tai-le, malayalam, tifinagh, coptic
    • U+0308 COMBINING DIAERESIS: try adding one of: gothic, coptic, tai-le
    • U+030A COMBINING RING ABOVE: not included in any glyphset definition
    • U+030B COMBINING DOUBLE ACUTE ACCENT: try adding cherokee
    • U+030C COMBINING CARON: try adding one of: tai-le, cherokee
    • U+0312 COMBINING TURNED COMMA ABOVE: not included in any glyphset definition
    • U+0326 COMBINING COMMA BELOW: not included in any glyphset definition
    • U+0327 COMBINING CEDILLA: not included in any glyphset definition
    • U+0328 COMBINING OGONEK: not included in any glyphset definition
    • U+0335 COMBINING SHORT STROKE OVERLAY: not included in any glyphset definition
    • U+0338 COMBINING LONG SOLIDUS OVERLAY: not included in any glyphset definition
    • U+03C0 GREEK SMALL LETTER PI: try adding greek
    • U+05BD HEBREW POINT METEG: not included in any glyphset definition
    • U+05BF HEBREW POINT RAFE: not included in any glyphset definition
    • U+05F0 HEBREW LIGATURE YIDDISH DOUBLE VAV: not included in any glyphset definition
    • U+05F1 HEBREW LIGATURE YIDDISH VAV YOD: not included in any glyphset definition
    • U+05F2 HEBREW LIGATURE YIDDISH DOUBLE YOD: not included in any glyphset definition
    • U+2000 EN QUAD: not included in any glyphset definition
    • U+2001 EM QUAD: not included in any glyphset definition
    • U+2003 EM SPACE: not included in any glyphset definition
    • U+2004 THREE-PER-EM SPACE: not included in any glyphset definition
    • U+2005 FOUR-PER-EM SPACE: not included in any glyphset definition
    • U+2006 SIX-PER-EM SPACE: not included in any glyphset definition
    • U+2007 FIGURE SPACE: not included in any glyphset definition
    • U+2008 PUNCTUATION SPACE: not included in any glyphset definition
    • U+200A HAIR SPACE: not included in any glyphset definition
    • U+200C ZERO WIDTH NON-JOINER: try adding one of: bengali, limbu, kayah-li, kannada, oriya, telugu, mongolian, tagbanwa, chakma, tagalog, kaithi, avestan, sinhala, gurmukhi, saurashtra, tibetan, myanmar, phags-pa, tai-tham, gujarati, tamil, rejang, cham, devanagari, new-tai-lue, thaana, arabic, khmer, sundanese, lepcha, thai, meetei-mayek, hanunoo, tifinagh, syloti-nagri, kharoshthi, buginese, tai-viet, tai-le, malayalam, javanese, batak, brahmi, balinese, buhid, mandaic
    • U+200D ZERO WIDTH JOINER: try adding one of: bengali, limbu, kayah-li, kannada, oriya, telugu, mongolian, tagbanwa, chakma, tagalog, kaithi, avestan, sinhala, gurmukhi, saurashtra, tibetan, myanmar, phags-pa, tai-tham, gujarati, tamil, rejang, cham, devanagari, new-tai-lue, thaana, arabic, sundanese, lepcha, thai, meetei-mayek, hanunoo, tifinagh, syloti-nagri, kharoshthi, buginese, tai-viet, tai-le, malayalam, javanese, batak, brahmi, balinese, buhid, mandaic
    • U+2021 DOUBLE DAGGER: not included in any glyphset definition
    • U+202F NARROW NO-BREAK SPACE: try adding mongolian
    • U+2030 PER MILLE SIGN: not included in any glyphset definition
    • U+205F MEDIUM MATHEMATICAL SPACE: not included in any glyphset definition
    • U+2070 SUPERSCRIPT ZERO: not included in any glyphset definition
    • U+2075 SUPERSCRIPT FIVE: not included in any glyphset definition
    • U+2076 SUPERSCRIPT SIX: not included in any glyphset definition
    • U+2077 SUPERSCRIPT SEVEN: not included in any glyphset definition
    • U+2078 SUPERSCRIPT EIGHT: not included in any glyphset definition
    • U+2079 SUPERSCRIPT NINE: not included in any glyphset definition
    • U+2080 SUBSCRIPT ZERO: not included in any glyphset definition
    • U+2081 SUBSCRIPT ONE: not included in any glyphset definition
    • U+2082 SUBSCRIPT TWO: not included in any glyphset definition
    • U+2083 SUBSCRIPT THREE: not included in any glyphset definition
    • U+2084 SUBSCRIPT FOUR: not included in any glyphset definition
    • U+2085 SUBSCRIPT FIVE: not included in any glyphset definition
    • U+2086 SUBSCRIPT SIX: not included in any glyphset definition
    • U+2087 SUBSCRIPT SEVEN: not included in any glyphset definition
    • U+2088 SUBSCRIPT EIGHT: not included in any glyphset definition
    • U+2089 SUBSCRIPT NINE: not included in any glyphset definition
    • U+2126 OHM SIGN: not included in any glyphset definition
    • U+212E ESTIMATED SYMBOL: not included in any glyphset definition
    • U+2150 VULGAR FRACTION ONE SEVENTH: not included in any glyphset definition
    • U+2151 VULGAR FRACTION ONE NINTH: not included in any glyphset definition
    • U+2152 VULGAR FRACTION ONE TENTH: not included in any glyphset definition
    • U+2153 VULGAR FRACTION ONE THIRD: not included in any glyphset definition
    • U+2154 VULGAR FRACTION TWO THIRDS: not included in any glyphset definition
    • U+2155 VULGAR FRACTION ONE FIFTH: not included in any glyphset definition
    • U+2156 VULGAR FRACTION TWO FIFTHS: not included in any glyphset definition
    • U+2157 VULGAR FRACTION THREE FIFTHS: not included in any glyphset definition
    • U+2158 VULGAR FRACTION FOUR FIFTHS: not included in any glyphset definition
    • U+2159 VULGAR FRACTION ONE SIXTH: not included in any glyphset definition
    • U+215A VULGAR FRACTION FIVE SIXTHS: not included in any glyphset definition
    • U+215B VULGAR FRACTION ONE EIGHTH: not included in any glyphset definition
    • U+215C VULGAR FRACTION THREE EIGHTHS: not included in any glyphset definition
    • U+215D VULGAR FRACTION FIVE EIGHTHS: not included in any glyphset definition
    • U+215E VULGAR FRACTION SEVEN EIGHTHS: not included in any glyphset definition
    • U+215F FRACTION NUMERATOR ONE: not included in any glyphset definition
    • U+2189 VULGAR FRACTION ZERO THIRDS: not included in any glyphset definition
    • U+2202 PARTIAL DIFFERENTIAL: not included in any glyphset definition
    • U+2206 INCREMENT: not included in any glyphset definition
    • U+2211 N-ARY SUMMATION: not included in any glyphset definition
    • U+221A SQUARE ROOT: not included in any glyphset definition
    • U+222B INTEGRAL: not included in any glyphset definition
    • U+2260 NOT EQUAL TO: not included in any glyphset definition
    • U+2264 LESS-THAN OR EQUAL TO: not included in any glyphset definition
    • U+2265 GREATER-THAN OR EQUAL TO: not included in any glyphset definition
    • U+25CA LOZENGE: not included in any glyphset definition
    • U+3000 IDEOGRAPHIC SPACE: try adding one of: chinese-traditional, japanese, chinese-simplified
    • U+FB01 LATIN SMALL LIGATURE FI: not included in any glyphset definition
    • U+FB02 LATIN SMALL LIGATURE FL: not included in any glyphset definition
    • U+FB1D HEBREW LETTER YOD WITH HIRIQ: not included in any glyphset definition
    • U+FB1F HEBREW LIGATURE YIDDISH YOD YOD PATAH: not included in any glyphset definition
    • U+FB20 HEBREW LETTER ALTERNATIVE AYIN: not included in any glyphset definition
    • U+FB21 HEBREW LETTER WIDE ALEF: not included in any glyphset definition
    • U+FB22 HEBREW LETTER WIDE DALET: not included in any glyphset definition
    • U+FB23 HEBREW LETTER WIDE HE: not included in any glyphset definition
    • U+FB24 HEBREW LETTER WIDE KAF: not included in any glyphset definition
    • U+FB25 HEBREW LETTER WIDE LAMED: not included in any glyphset definition
    • U+FB26 HEBREW LETTER WIDE FINAL MEM: not included in any glyphset definition
    • U+FB27 HEBREW LETTER WIDE RESH: not included in any glyphset definition
    • U+FB28 HEBREW LETTER WIDE TAV: not included in any glyphset definition
    • U+FB4C HEBREW LETTER BET WITH RAFE: not included in any glyphset definition
    • U+FB4D HEBREW LETTER KAF WITH RAFE: not included in any glyphset definition
    • U+FB4E HEBREW LETTER PE WITH RAFE: not included in any glyphset definition
    • U+FB4F HEBREW LIGATURE ALEF LAMED: not included in any glyphset definition

    Or you can add the above codepoints to one of the subsets supported by the font: hebrew, latin, latin-ext, menu [code: unreachable-subsetting]

Is there kerning info for non-ligated sequences?

Check ID: <FontBakeryCheck:com.google.fonts/check/kerning_for_non_ligated_sequences>
⚠️ FrankRuhlLibre[wght].ttf
  • ⚠️ WARN

    GPOS table lacks kerning info for the following non-ligated sequences:

    - f + i
    
    - i + l [code: lacks-kern-info]
    

A static fonts directory with at least two fonts must accompany variable fonts

Check ID: <FontBakeryCheck:com.google.fonts/check/repo/vf_has_static_fonts>
⚠️ FrankRuhlLibre[wght].ttf
  • ⚠️ WARN

    Please consider adding a subdirectory called "static/" and including in it static font files. [code: missing]

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

Check ID: <FontBakeryCheck:com.google.fonts/check/meta/script_lang_tags>
⚠️ FrankRuhlLibre[wght].ttf
  • ⚠️ WARN

    This font file does not have a 'meta' table. [code: lacks-meta-table]

Section: Universal

💥⚠️⏩⏩⏩⏩⏩ℹ️ℹ️

Check font contains no unreachable glyphs

Check ID: <FontBakeryCheck:com.google.fonts/check/unreachable_glyphs>
⚠️ FrankRuhlLibre[wght].ttf
  • ⚠️ WARN

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

    - guillemotleft.case
    
    - guillemotright.case
    

    [code: unreachable-glyphs]

Check accent of Lcaron, dcaron, lcaron, tcaron (derived from com.google.fonts/check/alt_caron)

Check ID: <FontBakeryCheck:com.google.fonts/check/alt_caron:googlefonts>
💥 FrankRuhlLibre[wght].ttf
  • 💥 ERROR

    Failed with TypeError: cannot unpack non-iterable float object

Section: Shaping Checks

⚠️⚠️⏩⏩⏩

Ensure dotted circle glyph is present and can attach marks.

Check ID: <FontBakeryCheck:com.google.fonts/check/dotted_circle>
⚠️ FrankRuhlLibre[wght].ttf
  • ⚠️ WARN

    No dotted circle glyph present [code: missing-dotted-circle]

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

Check ID: <FontBakeryCheck:com.google.fonts/check/soft_dotted>
⚠️ FrankRuhlLibre[wght].ttf
  • ⚠️ WARN

    The dot of soft dotted characters should disappear in other cases, for example: ĩ̦ ĭ̦ i̦̇ i̦̊ i̦̋ ǐ̦ i̦̒ j̦̀ j̦́ ĵ̦ j̦̃ j̦̄ j̦̆ j̦̇ j̦̈ j̦̊ j̦̋ ǰ̦ j̦̒ į̦̀

    Your font fully covers the following languages that require the soft-dotted feature: Dutch (Latn, 31,709,104 speakers), Lithuanian (Latn, 2,357,094 speakers).

    Your font does not cover the following languages that require the soft-dotted feature: Belarusian (Cyrl, 10,064,517 speakers), Basaa (Latn, 332,940 speakers), Aghem (Latn, 38,843 speakers), Ukrainian (Cyrl, 29,273,587 speakers), Igbo (Latn, 27,823,640 speakers), Navajo (Latn, 166,319 speakers). [code: soft-dotted]