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 1 11 37 9 182
1% 1% 6% 20% 5% 98%

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

Checking OS/2 achVendID.

Check ID: <FontBakeryCheck:com.google.fonts/check/vendor_id>
⚠️ MartianMono[wdth,wght].ttf
  • ⚠️ WARN

    OS/2 VendorID value 'NONE' is not yet recognized. If you registered it recently, then it's safe to ignore this warning message. Otherwise, you should set it to your own unique 4 character code, and register it with Microsoft at https://www.microsoft.com/typography/links/vendorlist.aspx [code: unknown]

Check for codepoints not covered by METADATA subsets.

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/unreachable_subsetting>
⚠️ MartianMono[wdth,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+0272 LATIN SMALL LETTER N WITH LEFT HOOK: not included in any glyphset definition
    • 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, cherokee, tai-le
    • U+0301 COMBINING ACUTE ACCENT: try adding one of: tifinagh, coptic, cherokee, tai-le
    • U+0302 COMBINING CIRCUMFLEX ACCENT: try adding one of: tifinagh, coptic, cherokee
    • U+0303 COMBINING TILDE: not included in any glyphset definition
    • U+0304 COMBINING MACRON: try adding one of: tifinagh, coptic, cherokee, gothic
    • U+0306 COMBINING BREVE: try adding tifinagh
    • U+0307 COMBINING DOT ABOVE: try adding one of: tifinagh, coptic, malayalam, tai-le, canadian-aboriginal
    • U+0308 COMBINING DIAERESIS: try adding one of: coptic, tai-le, gothic
    • 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: cherokee, tai-le
    • U+0312 COMBINING TURNED COMMA ABOVE: not included in any glyphset definition
    • U+0323 COMBINING DOT BELOW: try adding one of: tifinagh, coptic, cherokee, malayalam
    • 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+1EBC LATIN CAPITAL LETTER E WITH TILDE: try adding vietnamese
    • U+1EBD LATIN SMALL LETTER E WITH TILDE: try adding vietnamese
    • U+1ECA LATIN CAPITAL LETTER I WITH DOT BELOW: try adding vietnamese
    • U+1ECB LATIN SMALL LETTER I WITH DOT BELOW: try adding vietnamese
    • U+1ECC LATIN CAPITAL LETTER O WITH DOT BELOW: try adding vietnamese
    • U+1ECD LATIN SMALL LETTER O WITH DOT BELOW: try adding vietnamese
    • U+1EE4 LATIN CAPITAL LETTER U WITH DOT BELOW: try adding vietnamese
    • U+1EE5 LATIN SMALL LETTER U WITH DOT BELOW: try adding vietnamese
    • U+2003 EM SPACE: not included in any glyphset definition
    • U+2011 NON-BREAKING HYPHEN: try adding one of: arabic, syloti-nagri
    • U+2021 DOUBLE DAGGER: not included in any glyphset definition
    • U+2030 PER MILLE SIGN: 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+2190 LEFTWARDS ARROW: not included in any glyphset definition
    • U+2192 RIGHTWARDS ARROW: not included in any glyphset definition
    • U+2248 ALMOST EQUAL TO: not included in any glyphset definition
    • U+2260 NOT EQUAL TO: not included in any glyphset definition

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

METADATA.pb font.name field contains font name in right format?

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/valid_name_values>
🔥 MartianMono[wdth,wght].ttf
  • 🔥 FAIL

    METADATA.pb font.name field ("Martian Mono") does not match correct font name format ("Martian Mono SemiExpanded"). [code: mismatch]

Check variable font instances

Check ID: <FontBakeryCheck:com.google.fonts/check/fvar_instances>
⚠️ MartianMono[wdth,wght].ttf
  • ⚠️ WARN

    fvar instance coordinates for non-wght axes are not the same as the fvar defaults. This may be intentional so please check with the font author:

    | Name | current | expected | | :--- | :--- | :--- | | Thin | wght=100.0, wdth=100.0 | wght=100.0, wdth=112.5 | | ExtraLight | wght=200.0, wdth=100.0 | wght=200.0, wdth=112.5 | | Light | wght=300.0, wdth=100.0 | wght=300.0, wdth=112.5 | | Regular | wght=400.0, wdth=100.0 | wght=400.0, wdth=112.5 | | Medium | wght=500.0, wdth=100.0 | wght=500.0, wdth=112.5 | | SemiBold | wght=600.0, wdth=100.0 | wght=600.0, wdth=112.5 | | Bold | wght=700.0, wdth=100.0 | wght=700.0, wdth=112.5 | | ExtraBold | wght=800.0, wdth=100.0 | wght=800.0, wdth=112.5 | [code: suspicious-fvar-coords]

Combined length of family and style must not exceed 27 characters.

Check ID: <FontBakeryCheck:com.google.fonts/check/name/family_and_style_max_length>
⚠️ MartianMono[wdth,wght].ttf
  • ⚠️ WARN

    The combined length of family and style exceeds 27 chars in the following 'WINDOWS' entries: FONT_FAMILY_NAME = 'Martian Mono SemiExpanded' / SUBFAMILY_NAME = 'Regular'

    Please take a look at the conversation at https://github.com/fonttools/fontbakery/issues/2179 in order to understand the reasoning behind these name table records max-length criteria. [code: too-long]

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>
⚠️ MartianMono[wdth,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>
⚠️ MartianMono[wdth,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>
⚠️ MartianMono[wdth,wght].ttf
  • ⚠️ WARN

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

    - IJacute
    
    - ijacute
    
    - ringacutecomb
    

    [code: unreachable-glyphs]

Does the font contain a soft hyphen?

Check ID: <FontBakeryCheck:com.google.fonts/check/soft_hyphen>
⚠️ MartianMono[wdth,wght].ttf
  • ⚠️ WARN

    This font has a 'Soft Hyphen' character. [code: softhyphen]

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>
💥 MartianMono[wdth,wght].ttf
  • 💥 ERROR

    Failed with TypeError: cannot unpack non-iterable float object

Section: fontbakery.profiles.name

⚠️⏩⏩

Checking correctness of monospaced metadata.

Check ID: <FontBakeryCheck:com.google.fonts/check/monospace>
⚠️ MartianMono[wdth,wght].ttf
  • ⚠️ WARN

    The OpenType spec recomments at https://learn.microsoft.com/en-us/typography/opentype/spec/recom#hhea-table that hhea.numberOfHMetrics be set to 3 but this font has 550 instead. Please read https://github.com/fonttools/fonttools/issues/3014 to decide whether this makes sense for your font. [code: bad-numberOfHMetrics]

Section: Shaping Checks

⚠️⚠️⏩⏩⏩

Ensure dotted circle glyph is present and can attach marks.

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

    The dot of soft dotted characters used in orthographies must disappear in the following strings: į̀ į́ į̂ į̃ į̄ į̌ і́ ị̀ ị́ ị̂ ị̃ ị̄

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

    Your font fully covers the following languages that require the soft-dotted feature: Dutch (Latn, 31,709,104 speakers), Navajo (Latn, 166,319 speakers).

    Your font does not cover the following languages that require the soft-dotted feature: Basaa (Latn, 332,940 speakers), Lithuanian (Latn, 2,357,094 speakers), Aghem (Latn, 38,843 speakers), Igbo (Latn, 27,823,640 speakers), Belarusian (Cyrl, 10,064,517 speakers), Ukrainian (Cyrl, 29,273,587 speakers). [code: soft-dotted]