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tabular_kerning

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Simon Cozens edited this page May 8, 2025 · 2 revisions

Check tabular widths don't have kerning.

tabular_kerning

  • Applies to: TTF
  • Fontspector can hotfix?: no
  • Fontspector can fix sources?: no

Rationale

Tabular glyphs should not have kerning, as they are meant to be used in tables.

This check looks for kerning in:

  • all glyphs in a font in combination with tabular numerals;
  • tabular symbols in combination with tabular numerals.

"Tabular symbols" is defined as:

  • for fonts with a "tnum" feature, all "tnum" substitution target glyphs;
  • for fonts without a "tnum" feature, all glyphs that have the same width as the tabular numerals, but limited to numbers, math and currency symbols.

This check may produce false positives for fonts with no "tnum" feature and with equal-width numerals (and other same-width symbols) that are not intended to be used as tabular numerals.

Proposal

Profiles

  • universal (in section 'Universal Profile Checks')

  • googlefonts (in section 'Universal Profile Checks')

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