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Saira: Version 1.101 added #3746

Merged
merged 2 commits into from
Aug 25, 2021
Merged

Saira: Version 1.101 added #3746

merged 2 commits into from
Aug 25, 2021

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RosaWagner
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5bb5745: [gftools-packager] Saira: Version 1.101 added

78ec90f: [gftools-packager] ofl/saira remove METADATA "source". #2587

@m4rc1e m4rc1e force-pushed the gftools_packager_ofl_saira branch from 78ec90f to 6efe736 Compare August 25, 2021 15:17
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gf-bot commented Aug 25, 2021

Fontbakery report

Fontbakery version: 0.8.1

[1] Family checks
WARN: Is the command `ftxvalidator` (Apple Font Tool Suite) available?
--- Rationale ---
There's no reasonable (and legal) way to run the command `ftxvalidator` of the
Apple Font Tool Suite on a non-macOS machine. I.e. on GNU+Linux or Windows etc.
If Font Bakery is not running on an OSX machine, the machine running Font Bakery
could access `ftxvalidator` on OSX, e.g. via ssh or a remote procedure call
(rpc).
There's an ssh example implementation at:
https://github.com/googlefonts/fontbakery/blob/main/prebuilt/workarounds
/ftxvalidator/ssh-implementation/ftxvalidator
  • WARN Could not find ftxvalidator. [code: ftxvalidator-available]

[9] Saira-Italic[wdth,wght].ttf
💔 ERROR: Font has old ttfautohint applied?
--- Rationale ---
This check finds which version of ttfautohint was used, by inspecting name table
entries and then finds which version of ttfautohint is currently installed in
the system.
  • 💔 ERROR ttfautohint is not available. [code: not-available]
WARN: Is there kerning info for non-ligated sequences?
--- Rationale ---
Fonts with ligatures should have kerning on the corresponding non-ligated
sequences for text where ligatures aren't used (eg
https://github.com/impallari/Raleway/issues/14).
  • WARN GPOS table lacks kerning info for the following non-ligated sequences:

    • f + f
    • f + i
    • i + f
    • f + l
    • l + f
    • i + l

    [code: lacks-kern-info]

WARN: A static fonts directory with at least two fonts must accompany variable fonts
--- Rationale ---
Variable font family directories kept in the google/fonts git repo may include a
static/ subdir containing static fonts.
These files are meant to be served for users that still lack support for
variable fonts in their web browsers.
  • WARN Please consider adding a subdirectory called "static/" and including in it static font files. [code: missing]
WARN: METADATA.pb: Designers are listed correctly on the Google Fonts catalog?
--- Rationale ---
Google Fonts has a catalog of designers.
This check ensures that the online entries of the catalog can be found based on
the designer names listed on the METADATA.pb file.
It also validates the URLs and file formats are all correctly set.
  • WARN Designer Omnibus-Type does not have a webpage link on the catalog. Please consider providing one. [code: missing-link]
WARN: On a family update, the DESCRIPTION.en_us.html file should ideally also be updated.
--- Rationale ---
We want to ensure that any significant changes to the font family are properly
mentioned in the DESCRIPTION file.
In general, it means that the contents of the DESCRIPTION.en_us.html file will
typically change if when font files are updated. Please treat this check as a
reminder to do so whenever appropriate!
  • 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]
WARN: Ensure Stylistic Sets have description.
--- Rationale ---
Stylistic sets should provide description text. Programs such as InDesign,
TextEdit and Inkscape use that info to display to the users so that they know
what a given stylistic set offers.
  • WARN The stylistic set ss01 lacks a description string on the 'name' table. [code: missing-description]
  • WARN The stylistic set ss02 lacks a description string on the 'name' table. [code: missing-description]
WARN: Ensure fonts have ScriptLangTags declared on the 'meta' table.
--- Rationale ---
The OpenType 'meta' table originated at Apple. Microsoft added it to OT with
just two DataMap records:
- dlng: comma-separated ScriptLangTags that indicate which scripts, or languages
and scripts, with possible variants, the font is designed for
- slng: comma-separated ScriptLangTags that indicate which scripts, or languages
and scripts, with possible variants, the font supports
The slng structure is intended to describe which languages and scripts the font
overall supports. For example, a Traditional Chinese font that also contains
Latin characters, can indicate Hant,Latn, showing that it supports Hant, the
Traditional Chinese variant of the Hani script, and it also supports the Latn
script
The dlng structure is far more interesting. A font may contain various glyphs,
but only a particular subset of the glyphs may be truly "leading" in the design,
while other glyphs may have been included for technical reasons. Such a
Traditional Chinese font could only list Hant there, showing that it’s designed
for Traditional Chinese, but the font would omit Latn, because the developers
don’t think the font is really recommended for purely Latin-script use.
The tags used in the structures can comprise just script, or also language and
script. For example, if a font has Bulgarian Cyrillic alternates in the locl
feature for the cyrl BGR OT languagesystem, it could also indicate in dlng
explicitly that it supports bul-Cyrl. (Note that the scripts and languages in
meta use the ISO language and script codes, not the OpenType ones).
This check ensures that the font has the meta table containing the slng and dlng
structures.
All families in the Google Fonts collection should contain the 'meta' table.
Windows 10 already uses it when deciding on which fonts to fall back to. The
Google Fonts API and also other environments could use the data for smarter
filtering. Most importantly, those entries should be added to the Noto fonts.
In the font making process, some environments store this data in external files
already. But the meta table provides a convenient way to store this inside the
font file, so some tools may add the data, and unrelated tools may read this
data. This makes the solution much more portable and universal.
  • WARN This font file does not have a 'meta' table. [code: lacks-meta-table]
WARN: Each font in set of sibling families must have the same set of vertical metrics values.
--- Rationale ---
We may want all fonts within a super-family (all sibling families) to have the
same vertical metrics so their line spacing is consistent across the
super-family.
This is an experimental extended version of
com.google.fonts/check/family/vertical_metrics and for now it will only result
in WARNs.
  • WARN usWinAscent is not the same across the super-family:
    Saira Thin Italic: 1165
    Saira Thin: 1165
    Saira Condensed SemiBold: 1135
    Saira Condensed Light: 1135
    Saira Condensed ExtraBold: 1135
    Saira Condensed ExtraLight: 1135
    Saira Condensed Thin: 1135
    Saira Condensed Black: 1135
    Saira Condensed Medium: 1135
    Saira Condensed Regular: 1135
    Saira Condensed Bold: 1135 [code: superfamily-vertical-metrics]
WARN: Does the font have a DSIG table?
--- Rationale ---
Microsoft Office 2013 and below products expect fonts to have a digital
signature declared in a DSIG table in order to implement OpenType features. The
EOL date for Microsoft Office 2013 products is 4/11/2023. This issue does not
impact Microsoft Office 2016 and above products.
As we approach the EOL date, it is now considered better to completely remove
the table.
But if you still want your font to support OpenType features on Office 2013,
then you may find it handy to add a fake signature on a dummy DSIG table by
running one of the helper scripts provided at
https://github.com/googlefonts/gftools
Reference: https://github.com/googlefonts/fontbakery/issues/1845
  • WARN This font has a digital signature (DSIG table) which is only required - even if only a dummy 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]

[8] Saira[wdth,wght].ttf
💔 ERROR: Font has old ttfautohint applied?
--- Rationale ---
This check finds which version of ttfautohint was used, by inspecting name table
entries and then finds which version of ttfautohint is currently installed in
the system.
  • 💔 ERROR ttfautohint is not available. [code: not-available]
WARN: Is there kerning info for non-ligated sequences?
--- Rationale ---
Fonts with ligatures should have kerning on the corresponding non-ligated
sequences for text where ligatures aren't used (eg
https://github.com/impallari/Raleway/issues/14).
  • WARN GPOS table lacks kerning info for the following non-ligated sequences:

    • f + f
    • f + i
    • i + f
    • f + l
    • l + f
    • i + l

    [code: lacks-kern-info]

WARN: A static fonts directory with at least two fonts must accompany variable fonts
--- Rationale ---
Variable font family directories kept in the google/fonts git repo may include a
static/ subdir containing static fonts.
These files are meant to be served for users that still lack support for
variable fonts in their web browsers.
  • WARN Please consider adding a subdirectory called "static/" and including in it static font files. [code: missing]
WARN: METADATA.pb: Designers are listed correctly on the Google Fonts catalog?
--- Rationale ---
Google Fonts has a catalog of designers.
This check ensures that the online entries of the catalog can be found based on
the designer names listed on the METADATA.pb file.
It also validates the URLs and file formats are all correctly set.
  • WARN Designer Omnibus-Type does not have a webpage link on the catalog. Please consider providing one. [code: missing-link]
WARN: Ensure Stylistic Sets have description.
--- Rationale ---
Stylistic sets should provide description text. Programs such as InDesign,
TextEdit and Inkscape use that info to display to the users so that they know
what a given stylistic set offers.
  • WARN The stylistic set ss01 lacks a description string on the 'name' table. [code: missing-description]
  • WARN The stylistic set ss02 lacks a description string on the 'name' table. [code: missing-description]
WARN: Ensure fonts have ScriptLangTags declared on the 'meta' table.
--- Rationale ---
The OpenType 'meta' table originated at Apple. Microsoft added it to OT with
just two DataMap records:
- dlng: comma-separated ScriptLangTags that indicate which scripts, or languages
and scripts, with possible variants, the font is designed for
- slng: comma-separated ScriptLangTags that indicate which scripts, or languages
and scripts, with possible variants, the font supports
The slng structure is intended to describe which languages and scripts the font
overall supports. For example, a Traditional Chinese font that also contains
Latin characters, can indicate Hant,Latn, showing that it supports Hant, the
Traditional Chinese variant of the Hani script, and it also supports the Latn
script
The dlng structure is far more interesting. A font may contain various glyphs,
but only a particular subset of the glyphs may be truly "leading" in the design,
while other glyphs may have been included for technical reasons. Such a
Traditional Chinese font could only list Hant there, showing that it’s designed
for Traditional Chinese, but the font would omit Latn, because the developers
don’t think the font is really recommended for purely Latin-script use.
The tags used in the structures can comprise just script, or also language and
script. For example, if a font has Bulgarian Cyrillic alternates in the locl
feature for the cyrl BGR OT languagesystem, it could also indicate in dlng
explicitly that it supports bul-Cyrl. (Note that the scripts and languages in
meta use the ISO language and script codes, not the OpenType ones).
This check ensures that the font has the meta table containing the slng and dlng
structures.
All families in the Google Fonts collection should contain the 'meta' table.
Windows 10 already uses it when deciding on which fonts to fall back to. The
Google Fonts API and also other environments could use the data for smarter
filtering. Most importantly, those entries should be added to the Noto fonts.
In the font making process, some environments store this data in external files
already. But the meta table provides a convenient way to store this inside the
font file, so some tools may add the data, and unrelated tools may read this
data. This makes the solution much more portable and universal.
  • WARN This font file does not have a 'meta' table. [code: lacks-meta-table]
WARN: Each font in set of sibling families must have the same set of vertical metrics values.
--- Rationale ---
We may want all fonts within a super-family (all sibling families) to have the
same vertical metrics so their line spacing is consistent across the
super-family.
This is an experimental extended version of
com.google.fonts/check/family/vertical_metrics and for now it will only result
in WARNs.
  • WARN usWinAscent is not the same across the super-family:
    Saira Thin Italic: 1165
    Saira Thin: 1165
    Saira Condensed SemiBold: 1135
    Saira Condensed Light: 1135
    Saira Condensed ExtraBold: 1135
    Saira Condensed ExtraLight: 1135
    Saira Condensed Thin: 1135
    Saira Condensed Black: 1135
    Saira Condensed Medium: 1135
    Saira Condensed Regular: 1135
    Saira Condensed Bold: 1135 [code: superfamily-vertical-metrics]
WARN: Does the font have a DSIG table?
--- Rationale ---
Microsoft Office 2013 and below products expect fonts to have a digital
signature declared in a DSIG table in order to implement OpenType features. The
EOL date for Microsoft Office 2013 products is 4/11/2023. This issue does not
impact Microsoft Office 2016 and above products.
As we approach the EOL date, it is now considered better to completely remove
the table.
But if you still want your font to support OpenType features on Office 2013,
then you may find it handy to add a fake signature on a dummy DSIG table by
running one of the helper scripts provided at
https://github.com/googlefonts/gftools
Reference: https://github.com/googlefonts/fontbakery/issues/1845
  • WARN This font has a digital signature (DSIG table) which is only required - even if only a dummy 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]

Summary

💔 ERROR 🔥 FAIL ⚠ WARN 💤 SKIP ℹ INFO 🍞 PASS 🔎 DEBUG
2 0 16 88 15 289 0
0% 0% 4% 21% 4% 70% 0%

Note: The following loglevels were omitted in this report:

  • SKIP
  • INFO
  • PASS
  • DEBUG

@m4rc1e m4rc1e merged commit 3cfea32 into main Aug 25, 2021
@m4rc1e m4rc1e deleted the gftools_packager_ofl_saira branch August 25, 2021 16:06
@RosaWagner RosaWagner added --- to_production --- Live Font is visible on API and removed --- to_sandbox labels Sep 16, 2021
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3 participants