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Fontbakery report

Fontbakery version: 0.7.10

[27] Family checks
INFO: Do we have the latest version of FontBakery installed?
🍞 PASS: Check METADATA.pb parse correctly.
🍞 PASS: Font designer field in METADATA.pb must not be 'unknown'.
🍞 PASS: Multiple values in font designer field in METADATA.pb must be separated by commas.
🍞 PASS: Does METADATA.pb copyright field contain broken links?
🍞 PASS: METADATA.pb: check if fonts field only has unique "full_name" values.
🍞 PASS: METADATA.pb: check if fonts field only contains unique style:weight pairs.
🍞 PASS: METADATA.pb license is "APACHE2", "UFL" or "OFL"?
🍞 PASS: METADATA.pb should contain at least "menu" and "latin" subsets.
🍞 PASS: METADATA.pb subsets should be alphabetically ordered.
🍞 PASS: METADATA.pb: Copyright notice is the same in all fonts?
🍞 PASS: Check that METADATA.pb family values are all the same.
🍞 PASS: METADATA.pb: According Google Fonts standards, families should have a Regular style.
🍞 PASS: METADATA.pb: Regular should be 400.
🍞 PASS: All tabular figures must have the same width across the RIBBI-family.
🍞 PASS: Does font file include unacceptable control character glyphs?
🍞 PASS: Checking all files are in the same directory.
🍞 PASS: Each font in a family must have the same vertical metrics values.
🍞 PASS: Fonts have equal unicode encodings?
🍞 PASS: Make sure all font files have the same version value.
🍞 PASS: Fonts have consistent PANOSE proportion?
🍞 PASS: Fonts have consistent PANOSE family type?
🍞 PASS: Check that OS/2.fsSelection bold & italic settings are unique for each NameID1
🍞 PASS: Fonts have consistent underline thickness?
🍞 PASS: Verify that each group of fonts with the same nameID 1 has maximum of 4 fonts
💤 SKIP: Check font has a license.
WARN: Is the command `ftxvalidator` (Apple Font Tool Suite) available?

[131] Vibes-Regular.ttf
🔥 FAIL: PPEM must be an integer on hinted fonts.

This can be accomplished by using the 'gftools fix-hinting' command.

create virtualenvpython3 -m venv venv

activate virtualenvsource venv/bin/activate

install gftoolspip install git+https://www.github.com/googlefonts/tools [code: bad-flags]

WARN: Checking OS/2 achVendID.
WARN: METADATA.pb: Fontfamily is listed on Google Fonts API?
WARN: Stricter unitsPerEm criteria for Google Fonts.
  • com.google.fonts/check/unitsperem_strict
  • WARN Even though unitsPerEm (1000) in this font is reasonable. It is strongly advised to consider changing it to 2000, since it will likely improve the quality of Variable Fonts by avoiding excessive rounding of coordinates on interpolations. [code: legacy-value]
WARN: Check if each glyph has the recommended amount of contours.
  • com.google.fonts/check/contour_count
  • WARN This check inspects the glyph outlines and detects the total number of contours in each of them. The expected values are infered from the typical ammounts of contours observed in a large collection of reference font families. The divergences listed below may simply indicate a significantly different design on some of your glyphs. On the other hand, some of these may flag actual bugs in the font such as glyphs mapped to an incorrect codepoint. Please consider reviewing the design and codepoint assignment of these to make sure they are correct.

The following glyphs do not have the recommended number of contours:

Glyph name: uni2215 Contours detected: 2 Expected: 1 Glyph name: quoteleft Contours detected: 0 Expected: 1 Glyph name: quoteright Contours detected: 0 Expected: 1 Glyph name: quotedblleft Contours detected: 0 Expected: 2 Glyph name: quotedblright Contours detected: 0 Expected: 2 Glyph name: quotedblbase Contours detected: 1 Expected: 2 Glyph name: bullet Contours detected: 3 Expected: 1 Glyph name: guilsinglleft Contours detected: 0 Expected: 1 Glyph name: guilsinglright Contours detected: 0 Expected: 1 Glyph name: uni1E9E Contours detected: 2 Expected: 1 Glyph name: guillemotleft Contours detected: 0 Expected: 2 Glyph name: guillemotright Contours detected: 0 Expected: 2 Glyph name: germandbls Contours detected: 2 Expected: 1 Glyph name: fraction Contours detected: 0 Expected: 1 Glyph name: lozenge Contours detected: 0 Expected: 2 [code: contour-count]

WARN: Does GPOS table have kerning information?
💤 SKIP: Does DESCRIPTION file contain broken links?
💤 SKIP: Does DESCRIPTION file contain a upstream Git repo URL?
💤 SKIP: Does DESCRIPTION file mention when a family is available as variable font?
💤 SKIP: Is this a proper HTML snippet?
💤 SKIP: DESCRIPTION.en_us.html must have more than 200 bytes.
💤 SKIP: DESCRIPTION.en_us.html must have less than 1000 bytes.
💤 SKIP: Check copyright namerecords match license file.
💤 SKIP: Font has ttfautohint params?
  • com.google.fonts/check/has_ttfautohint_params
  • 💤 SKIP Font appears to our heuristic as not hinted using ttfautohint. [code: not-hinted]
  • 💤 SKIP Font appears to our heuristic as not hinted using ttfautohint. [code: not-hinted]
💤 SKIP: METADATA.pb font.style "italic" matches font internals?
💤 SKIP: Version number has increased since previous release on Google Fonts?
💤 SKIP: Glyphs are similiar to Google Fonts version?
💤 SKIP: Check a static ttf can be generated from a variable font.
💤 SKIP: Check that variable fonts have an HVAR table.
💤 SKIP: All name entries referenced by fvar instances exist on the name table?
💤 SKIP: A variable font must have named instances.
💤 SKIP: Variable font weight coordinates must be multiples of 100.
💤 SKIP: Are there caret positions declared for every ligature?
💤 SKIP: Is there kerning info for non-ligated sequences?
💤 SKIP: Directory name in GFonts repo structure must match NameID 1 of the regular.
💤 SKIP: Check if the vertical metrics of a family are similar to the same family hosted on Google Fonts.
💤 SKIP: Check variable font instances have correct coordinate values
💤 SKIP: Check variable font instances have correct names
💤 SKIP: Checking with ftxvalidator.
💤 SKIP: Is the CFF subr/gsubr call depth > 10?
💤 SKIP: Is the CFF2 subr/gsubr call depth > 10?
💤 SKIP: CFF table FontName must match name table ID 6 (PostScript name).
💤 SKIP: Monospace font has hhea.advanceWidthMax equal to each glyph's advanceWidth?
💤 SKIP: The variable font 'wght' (Weight) axis coordinate must be 400 on the 'Regular' instance.
💤 SKIP: The variable font 'wdth' (Width) axis coordinate must be 100 on the 'Regular' instance.
💤 SKIP: The variable font 'slnt' (Slant) axis coordinate must be zero on the 'Regular' instance.
💤 SKIP: The variable font 'ital' (Italic) axis coordinate must be zero on the 'Regular' instance.
💤 SKIP: The variable font 'opsz' (Optical Size) axis coordinate should be between 9 and 13 on the 'Regular' instance.
💤 SKIP: The variable font 'wght' (Weight) axis coordinate must be 700 on the 'Bold' instance.
💤 SKIP: The variable font 'wght' (Weight) axis coordinate must be within spec range of 1 to 1000 on all instances.
💤 SKIP: The variable font 'wdth' (Weight) axis coordinate must be within spec range of 1 to 1000 on all instances.
INFO: Show hinting filesize impact.
Vibes-Regular.ttf
Dehinted Size 54.8kb
Hinted Size 76.6kb
Increase 21.7kb
Change 39.6 %
[code: size-impact]
INFO: Font has old ttfautohint applied?
  • com.google.fonts/check/old_ttfautohint
  • INFO Could not detect which version of ttfautohint was used in this font. It is typically specified as a comment in the font version entries of the 'name' table. Such font version strings are currently: ['Version 1.100', 'Version 1.100'] [code: version-not-detected]
INFO: EPAR table present in font?
INFO: Is the Grid-fitting and Scan-conversion Procedure ('gasp') table set to optimize rendering?

PPM <= 65535: flag = 0x0F - Use grid-fitting - Use grayscale rendering - Use gridfitting with ClearType symmetric smoothing - Use smoothing along multiple axes with ClearType® [code: ranges]

  • 🍞 PASS The 'gasp' table is correctly set, with one gaspRange:value of 0xFFFF:0x0F.
INFO: Check for font-v versioning
  • com.google.fonts/check/fontv
  • INFO Version string is: "Version 1.100" The version string must ideally include a git commit hash and either a "dev" or a "release" suffix such as in the example below: "Version 1.3; git-0d08353-release" [code: bad-format]
INFO: Font contains all required tables?
  • com.google.fonts/check/required_tables
  • INFO This font contains the following optional tables [DSIG, GPOS, cvt , loca, GSUB, gasp, prep, fpgm]
  • 🍞 PASS Font contains all required tables.
🍞 PASS: Checking file is named canonically.
🍞 PASS: Checking OS/2 fsType.
🍞 PASS: Check glyph coverage.
🍞 PASS: Substitute copyright, registered and trademark symbols in name table entries.
🍞 PASS: Checking OS/2 usWeightClass.
🍞 PASS: License URL matches License text on name table?
🍞 PASS: Description strings in the name table must not exceed 200 characters.
🍞 PASS: Version format is correct in 'name' table?
🍞 PASS: Make sure family name does not begin with a digit.
🍞 PASS: Are there non-ASCII characters in ASCII-only NAME table entries?
🍞 PASS: Checks METADATA.pb font.name field matches family name declared on the name table.
🍞 PASS: Checks METADATA.pb font.post_script_name matches postscript name declared on the name table.
🍞 PASS: METADATA.pb font.full_name value matches fullname declared on the name table?
🍞 PASS: METADATA.pb font.name value should be same as the family name declared on the name table.
🍞 PASS: METADATA.pb font.full_name and font.post_script_name fields have equivalent values ?
🍞 PASS: METADATA.pb font.filename and font.post_script_name fields have equivalent values?
🍞 PASS: METADATA.pb font.name field contains font name in right format?
🍞 PASS: METADATA.pb font.full_name field contains font name in right format?
  • com.google.fonts/check/metadata/valid_full_name_values
  • 🍞 PASS METADATA.pb font.full_name field contains font name in right format. ("Vibes" in "Vibes Regular")
  • 🍞 PASS METADATA.pb font.full_name field contains font name in right format. ("Vibes" in "Vibes Regular")
🍞 PASS: METADATA.pb font.filename field contains font name in right format?
🍞 PASS: METADATA.pb font.post_script_name field contains font name in right format?
🍞 PASS: Copyright notices match canonical pattern in METADATA.pb
🍞 PASS: Copyright notices match canonical pattern in fonts
🍞 PASS: Copyright notice on METADATA.pb should not contain 'Reserved Font Name'.
🍞 PASS: METADATA.pb: Copyright notice shouldn't exceed 500 chars.
🍞 PASS: METADATA.pb font.style "normal" matches font internals?
🍞 PASS: METADATA.pb font.name and font.full_name fields match the values declared on the name table?
🍞 PASS: METADATA.pb: Check if fontname is not camel cased.
🍞 PASS: METADATA.pb: Check font name is the same as family name.
🍞 PASS: METADATA.pb: Check that font weight has a canonical value.
🍞 PASS: Checking OS/2 usWeightClass matches weight specified at METADATA.pb.
🍞 PASS: METADATA.pb weight matches postScriptName.
🍞 PASS: METADATA.pb: Font styles are named canonically?
🍞 PASS: Checking OS/2 fsSelection value.
  • com.google.fonts/check/fsselection
  • 🍞 PASS OS/2 fsSelection REGULAR bit is properly set.
  • 🍞 PASS OS/2 fsSelection ITALIC bit is properly set.
  • 🍞 PASS OS/2 fsSelection BOLD bit is properly set.
🍞 PASS: Checking post.italicAngle value.
🍞 PASS: Checking head.macStyle value.
🍞 PASS: Copyright field for this font on METADATA.pb matches all copyright notice entries on the name table ?
🍞 PASS: Font has all mandatory 'name' table entries?
🍞 PASS: Check name table: FONT_FAMILY_NAME entries.
🍞 PASS: Check name table: FONT_SUBFAMILY_NAME entries.
🍞 PASS: Check name table: FULL_FONT_NAME entries.
🍞 PASS: Check name table: POSTSCRIPT_NAME entries.
🍞 PASS: Check name table: TYPOGRAPHIC_FAMILY_NAME entries.
🍞 PASS: Check name table: TYPOGRAPHIC_SUBFAMILY_NAME entries.
🍞 PASS: Length of copyright notice must not exceed 500 characters.
🍞 PASS: Familyname must be unique according to namecheck.fontdata.com
🍞 PASS: Font enables smart dropout control in "prep" table instructions?
🍞 PASS: There must not be VTT Talk sources in the font.
🍞 PASS: Are there unwanted Apple tables?
🍞 PASS: Combined length of family and style must not exceed 27 characters.
🍞 PASS: Name table records must not have trailing spaces.
🍞 PASS: Checking OS/2 usWinAscent & usWinDescent.
🍞 PASS: Checking OS/2 Metrics match hhea Metrics.
🍞 PASS: Checking with ots-sanitize.
🍞 PASS: Font contains .notdef as first glyph?
🍞 PASS: Font contains glyphs for whitespace characters?
🍞 PASS: Font has **proper** whitespace glyph names?
🍞 PASS: Whitespace glyphs have ink?
🍞 PASS: Are there unwanted tables?
🍞 PASS: Glyph names are all valid?
🍞 PASS: Font contains unique glyph names?
🍞 PASS: Checking with fontTools.ttx
🍞 PASS: Check all glyphs have codepoints assigned.
🍞 PASS: Checking unitsPerEm value is reasonable.
🍞 PASS: Checking font version fields (head and name table).
🍞 PASS: Check if OS/2 xAvgCharWidth is correct.
🍞 PASS: Check if OS/2 fsSelection matches head macStyle bold and italic bits.
🍞 PASS: Check code page character ranges
🍞 PASS: Font has correct post table version (2 for TTF, 3 for OTF)?
🍞 PASS: Check name table for empty records.
🍞 PASS: Description strings in the name table must not contain copyright info.
🍞 PASS: Checking correctness of monospaced metadata.
🍞 PASS: Name table entries should not contain line-breaks.
🍞 PASS: Does full font name begin with the font family name?
🍞 PASS: Font follows the family naming recommendations?
🍞 PASS: Name table strings must not contain the string 'Reserved Font Name'.
🍞 PASS: Name table ID 6 (PostScript name) must be consistent across platforms.
🍞 PASS: Does the number of glyphs in the loca table match the maxp table?
🍞 PASS: Checking Vertical Metric Linegaps.
🍞 PASS: MaxAdvanceWidth is consistent with values in the Hmtx and Hhea tables?
🍞 PASS: Does the font have a DSIG table?
🍞 PASS: Whitespace and non-breaking space have the same width?
🍞 PASS: Is there a "kern" table declared in the font?
🍞 PASS: Is there any unused data at the end of the glyf table?
🍞 PASS: Check for points out of bounds.

Summary

💔 ERROR 🔥 FAIL ⚠ WARN 💤 SKIP ℹ INFO 🍞 PASS
0 1 6 36 7 108
0% 1% 4% 23% 4% 68%