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
0 15 21 68 8 129
0% 8% 12% 38% 4% 72%

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

🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩ℹ️ℹ️ℹ️ℹ️ℹ️ℹ️

Does font file include unacceptable control character glyphs?

Check ID: <FontBakeryCheck:com.google.fonts/check/family/control_chars>
🔥 Family check
  • 🔥 FAIL

    The following unacceptable control characters were identified: /Users/simon/others-repos/fonts/ofl/oldenburg/Oldenburg-Regular.ttf: uni0001, uni0002, uni0003, uni0004, uni0005, uni0006, uni0007, uni0008, uni0009, uni0010, uni0011, uni0012, uni0013, uni0014, uni0015, uni0016, uni0017, uni0018, uni0019 [code: unacceptable]

Check Google Fonts glyph coverage.

Check ID: <FontBakeryCheck:com.google.fonts/check/glyph_coverage>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    Missing required codepoints:

    - 0x0308 (COMBINING DIAERESIS)
    
    
    - 0x0300 (COMBINING GRAVE ACCENT)
    
    
    - 0x0301 (COMBINING ACUTE ACCENT)
    
    
    - 0x030B (COMBINING DOUBLE ACUTE ACCENT)
    
    
    - 0x0304 (COMBINING MACRON)
    
    
    - 0x1E9E (LATIN CAPITAL LETTER SHARP S)
    
    
    - 0x0307 (COMBINING DOT ABOVE)
    
    
    - 0x0302 (COMBINING CIRCUMFLEX ACCENT)
    
    
    - 0x030C (COMBINING CARON)
    
    
    - 0x0306 (COMBINING BREVE)
    
    
    - 0x030A (COMBINING RING ABOVE)
    
    
    - 0x0303 (COMBINING TILDE)
    
    
    - 0x0312 (COMBINING TURNED COMMA ABOVE)
    
    
    - 0x0326 (COMBINING COMMA BELOW)
    
    
    - 0x0327 (COMBINING CEDILLA)
    
    
    - 0x0328 (COMBINING OGONEK)
    

    [code: missing-codepoints]

Check for codepoints not covered by METADATA subsets.

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/unreachable_subsetting>
⚠️ Oldenburg-Regular.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+0001 : not included in any glyphset definition
    • U+0002 : not included in any glyphset definition
    • U+0003 : not included in any glyphset definition
    • U+0004 : not included in any glyphset definition
    • U+0005 : not included in any glyphset definition
    • U+0006 : not included in any glyphset definition
    • U+0007 : not included in any glyphset definition
    • U+0008 : not included in any glyphset definition
    • U+0009 : not included in any glyphset definition
    • U+0010 : not included in any glyphset definition
    • U+0011 : not included in any glyphset definition
    • U+0012 : not included in any glyphset definition
    • U+0013 : not included in any glyphset definition
    • U+0014 : not included in any glyphset definition
    • U+0015 : not included in any glyphset definition
    • U+0016 : not included in any glyphset definition
    • U+0017 : not included in any glyphset definition
    • U+0018 : not included in any glyphset definition
    • U+0019 : 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+0394 GREEK CAPITAL LETTER DELTA: try adding greek
    • U+03A9 GREEK CAPITAL LETTER OMEGA: try adding greek
    • U+03BC GREEK SMALL LETTER MU: try adding greek
    • U+03C0 GREEK SMALL LETTER PI: try adding greek
    • U+2021 DOUBLE DAGGER: not included in any glyphset definition
    • U+2030 PER MILLE SIGN: not included in any glyphset definition
    • U+2126 OHM SIGN: 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+220F N-ARY PRODUCT: 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+221E INFINITY: not included in any glyphset definition
    • U+222B INTEGRAL: 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
    • 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+FB00 LATIN SMALL LIGATURE FF: not included in any glyphset definition
    • U+FB01 LATIN SMALL LIGATURE FI: not included in any glyphset definition
    • U+FB02 LATIN SMALL LIGATURE FL: not included in any glyphset definition

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

Check license file has good copyright string.

Check ID: <FontBakeryCheck:com.google.fonts/check/license/OFL_copyright>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    First line in license file is:

    "copyright (c) 2011 by sorkin type co (www.sorkintype.com),"

    which does not match the expected format, similar to:

    "Copyright 2022 The Familyname Project Authors (git url)" [code: bad-format]

Check copyright namerecords match license file.

Check ID: <FontBakeryCheck:com.google.fonts/check/name/license>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=1, enc=0, name=13] [code: http-in-description]

  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=3, enc=1, name=13] [code: http-in-description]

  • ⚠️ WARN

    For now we're still accepting http URLs, but you should consider using https instead. [code: http]

License URL matches License text on name table?

Check ID: <FontBakeryCheck:com.google.fonts/check/name/license_url>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=1, enc=0, name=13] [code: http-in-description]

  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=1, enc=0, name=13] [code: http-in-description]

  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=3, enc=1, name=13] [code: http-in-description]

  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=1, enc=0, name=13] [code: http-in-description]

  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=3, enc=1, name=13] [code: http-in-description]

  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=1, enc=0, name=14] [code: http-in-license-info]

  • ⚠️ WARN

    Please consider using HTTPS URLs at name table entry [plat=3, enc=1, name=14] [code: http-in-license-info]

  • ⚠️ WARN

    For now we're still accepting http URLs, but you should consider using https instead. [code: http]

Description strings in the name table must not exceed 200 characters.

Check ID: <FontBakeryCheck:com.google.fonts/check/name/description_max_length>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    A few name table entries with ID=10 (NameID.DESCRIPTION) are longer than 200 characters. Please check whether those entries are copyright notices mistakenly stored in the description string entries by a bug in an old FontLab version. If that's the case, then such copyright notices must be removed from these entries. [code: too-long]

METADATA.pb subsets should be alphabetically ordered.

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/subsets_order>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    METADATA.pb subsets are not sorted in alphabetical order: Got ['menu', 'latin', 'latin-ext'] and expected ['latin', 'latin-ext', 'menu'] [code: not-sorted]

METADATA.pb font.full_name and font.post_script_name fields have equivalent values ?

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/match_fullname_postscript>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    METADATA.pb font full_name = "Oldenburg" does not match post_script_name = "Oldenburg-Regular" [code: mismatch]

Copyright notices match canonical pattern in METADATA.pb

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/valid_copyright>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    METADATA.pb: Copyright notices should match a pattern similar to: "Copyright 2020 The Familyname Project Authors (git url)" But instead we have got: "copyright (c) 2010 by sorkin type co (eben@eyebytes.com) with reserved font name oldenburgh." [code: bad-notice-format]

Copyright notices match canonical pattern in fonts

Check ID: <FontBakeryCheck:com.google.fonts/check/font_copyright>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    Name Table entry: Copyright notices should match a pattern similar to: "Copyright 2019 The Familyname Project Authors (git url)" But instead we have got: "Copyright (c) 2010 by Sorkin Type Co with Reserved Font Name Oldenburgh." [code: bad-notice-format]

  • 🔥 FAIL

    Name Table entry: Copyright notices should match a pattern similar to: "Copyright 2019 The Familyname Project Authors (git url)" But instead we have got: "Copyright (c) 2010 by Sorkin Type Co with Reserved Font Name Oldenburgh." [code: bad-notice-format]

Copyright notice on METADATA.pb should not contain 'Reserved Font Name'.

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/reserved_font_name>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    METADATA.pb: copyright field ("Copyright (c) 2010 by Sorkin Type Co (eben@eyebytes.com) with Reserved Font Name Oldenburgh.") contains "Reserved Font Name". This is an error except in a few specific rare cases. [code: rfn]

Check font names are correct

Check ID: <FontBakeryCheck:com.google.fonts/check/font_names>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    Regular missing from full name [code: lacks-regular]

Copyright field for this font on METADATA.pb matches all copyright notice entries on the name table ?

Check ID: <FontBakeryCheck:com.google.fonts/check/metadata/nameid/copyright>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    Copyright field for this font on METADATA.pb ("Copyright (c) 2010 by Sorkin Type Co (eben@eyebytes.com) with Reserved Font Name Oldenburgh.") differs from a copyright notice entry on the name table: "Copyright (c) 2010 by Sorkin Type Co with Reserved Font Name Oldenburgh." [code: mismatch]

  • 🔥 FAIL

    Copyright field for this font on METADATA.pb ("Copyright (c) 2010 by Sorkin Type Co (eben@eyebytes.com) with Reserved Font Name Oldenburgh.") differs from a copyright notice entry on the name table: "Copyright (c) 2010 by Sorkin Type Co with Reserved Font Name Oldenburgh." [code: mismatch]

Font enables smart dropout control in "prep" table instructions?

Check ID: <FontBakeryCheck:com.google.fonts/check/smart_dropout>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    The 'prep' table does not contain TrueType instructions enabling smart dropout control. To fix, export the font with autohinting enabled, or run ttfautohint on the font, or run the gftools fix-nonhinting script. [code: lacks-smart-dropout]

Name table strings must not contain the string 'Reserved Font Name'.

Check ID: <FontBakeryCheck:com.google.fonts/check/name/rfn>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    Name table entry contains "Reserved Font Name" for a family name (Oldenburgh) that differs from the currently used family name (Oldenburg), which is fine. [code: legacy-familyname]

  • ⚠️ WARN

    Name table entry contains "Reserved Font Name" for a family name (Oldenburgh) that differs from the currently used family name (Oldenburg), which is fine. [code: legacy-familyname]

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>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

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

On a family update, the DESCRIPTION.en_us.html file should ideally also be updated.

Check ID: <FontBakeryCheck:com.google.fonts/check/description/family_update>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    The DESCRIPTION.en_us.html file in this family has not changed in comparison to the latest font release on the google/fonts github repo. Please consider mentioning note-worthy improvements made to the family recently. [code: description-not-updated]

OS/2.fsSelection bit 7 (USE_TYPO_METRICS) is set in all fonts.

Check ID: <FontBakeryCheck:com.google.fonts/check/os2/use_typo_metrics>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    OS/2.fsSelection bit 7 (USE_TYPO_METRICS) wasNOT set in the following fonts: ['/Users/simon/others-repos/fonts/ofl/oldenburg/Oldenburg-Regular.ttf']. [code: missing-os2-fsselection-bit7]

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

Check ID: <FontBakeryCheck:com.google.fonts/check/meta/script_lang_tags>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

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

Ensure fonts do not contain any pre-production tables.

Check ID: <FontBakeryCheck:com.google.fonts/check/no_debugging_tables>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    This font file contains the following pre-production tables: FFTM [code: has-debugging-tables]

Section: Universal

🔥🔥🔥🔥🔥⚠️⚠️⚠️⚠️⚠️⚠️⚠️⏩⏩⏩⏩⏩⏩ℹ️ℹ️

Checking OS/2 Metrics match hhea Metrics.

Check ID: <FontBakeryCheck:com.google.fonts/check/os2_metrics_match_hhea>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    OS/2 sTypoLineGap (0) and hhea lineGap (9) must be equal. [code: lineGap]

Checking with ots-sanitize.

Check ID: <FontBakeryCheck:com.google.fonts/check/ots>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    ots-sanitize passed this file, however warnings were printed:

    WARNING: gasp: Changed the version number to 1 [code: ots-sanitize-warn]

Font contains '.notdef' as its first glyph?

Check ID: <FontBakeryCheck:com.google.fonts/check/mandatory_glyphs>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    The '.notdef' glyph should contain a drawing, but it is blank. [code: notdef-is-blank]

Font has **proper** whitespace glyph names?

Check ID: <FontBakeryCheck:com.google.fonts/check/whitespace_glyphnames>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    Glyph 0x00A0 is called "nonbreakingspace": Change to "uni00A0" [code: not-recommended-00a0]

Are there unwanted tables?

Check ID: <FontBakeryCheck:com.google.fonts/check/unwanted_tables>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    The following unwanted font tables were found:

    • FFTM - Table contains redundant FontForge timestamp info

    They can be removed with the 'fix-unwanted-tables' script provided by gftools. [code: unwanted-tables]

Check font contains no unreachable glyphs

Check ID: <FontBakeryCheck:com.google.fonts/check/unreachable_glyphs>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

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

    - cedilla.cap
    
    - commaaccent.cap
    
    - foundryicon
    
    - nonmarkingreturn
    

    [code: unreachable-glyphs]

Does the font contain a soft hyphen?

Check ID: <FontBakeryCheck:com.google.fonts/check/soft_hyphen>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

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

Ensure component transforms do not perform scaling or rotation.

Check ID: <FontBakeryCheck:com.google.fonts/check/transformed_components>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    The following glyphs had components with scaling or rotation or inverted outline direction:

    • parenright (component parenleft)
    • greater (component less)
    • bracketright (component bracketleft)
    • braceright (component braceleft)
    • exclamdown (component exclam)
    • guillemotright (component guilsinglleft)
    • guillemotright (component guilsinglleft)
    • questiondown (component question)
    • guilsinglright (component guilsinglleft) [code: transformed-components]

Space and non-breaking space have the same width?

Check ID: <FontBakeryCheck:com.google.fonts/check/whitespace_widths>
🔥 Oldenburg-Regular.ttf
  • 🔥 FAIL

    Space and non-breaking space have differing width: The space glyph named space is 856 font units wide, non-breaking space named (nonbreakingspace) is 520 font units wide, and both should be positive and the same. GlyphsApp has "Sidebearing arithmetic" (https://glyphsapp.com/tutorials/spacing) which allows you to set the non-breaking space width to always equal the space width. [code: different-widths]

Check math signs have the same width.

Check ID: <FontBakeryCheck:com.google.fonts/check/math_signs_width>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    The most common width is 1022 among a set of 7 math glyphs. The following math glyphs have a different width, though:

    Width = 1192: logicalnot, minus, plus

    Width = 1104: plusminus

    Width = 1338: approxequal

    Width = 1196: notequal [code: width-outliers]

Checking Vertical Metric Linegaps.

Check ID: <FontBakeryCheck:com.google.fonts/check/linegaps>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    hhea lineGap is not equal to 0. [code: hhea]

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>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    tcaron is decomposed and therefore could not be checked. Please check manually. [code: decomposed-outline]

Section: fontbakery.profiles.os2

⚠️⏩

Check if OS/2 xAvgCharWidth is correct.

Check ID: <FontBakeryCheck:com.google.fonts/check/xavgcharwidth>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    OS/2 xAvgCharWidth is 1299 but it should be 1276 which corresponds to the average of the widths of all glyphs in the font. [code: xAvgCharWidth-wrong]

Section: fontbakery.profiles.dsig

⚠️

Does the font have a DSIG table?

Check ID: <FontBakeryCheck:com.google.fonts/check/dsig>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    This font has a digital signature (DSIG table) which is only required - even if only a placeholder - on old programs like MS Office 2013 in order to work properly. The current recommendation is to completely remove the DSIG table. [code: found-DSIG]

Section: fontbakery.profiles.gpos

⚠️

Does GPOS table have kerning information? This check skips monospaced fonts as defined by post.isFixedPitch value

Check ID: <FontBakeryCheck:com.google.fonts/check/gpos_kerning_info>
⚠️ Oldenburg-Regular.ttf
  • ⚠️ WARN

    GPOS table lacks kerning information. [code: lacks-kern-info]