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Kerning groups

Letters with the same side shape kern alike: kern O once, and C, G, Q follow.

Where
  • Inspector › Kerning › Groups

Each glyph can belong to a group on its left side and on its right side. O, C, G, Q share a round left side, so put them in one left group, and a pair kerned with that group applies to all of them. Exported fonts store this as class kerning, which keeps them small.

Exception for this pair kerns a single pair differently from its groups.