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# Glyph naming scheme for automatic feature generation

To get the automatic feature generator to work, you need to use certain glyph name suffixes.

Feature

Glyph name

liga - Ligature

Join the glyph names of the components with a "_". The common ligature with "f", "i" and "l" are placed in the liga feature, all other got to dlig.

dlig - Discretionary Ligatures

Join the glyph names of the components with a "_". The common ligature with "f", "i" and "l" are placed in the liga feature, all other got to dlig.

smcp - Small Capitals

Add ".sc" suffix to the glyph name.

sups - Superscript

Add ".sups" or "superior" suffix to the glyph name.

subs - Subscript

Add ".subs" suffix to the glyph name.

sinf - Scientific Inferiors

Add ".sinf" or ".subs" suffix to the glyph name.

dnom - Denominators

Add ".dnom" suffix to the glyph name.

numr - Numerators

Add ".numr" suffix to the glyph name.

onum - Oldstyle Figures

Add ".osf" (for proportional oldstyle figures) or ".tosf" (for tabular oldstyle figures) to the glyph name.

tnum - Tabular Figures

Add ".tf" (for tabular figures) or ".tosf" (for tabular oldstyle figures) to the glyph name.

pnum - Proportional Figures

Add ".osf" (for proportional oldstyle figures) or ".lf" (for proportional lining figures) to the glyph name.

lnum - Lining Figures

Add ".lf" (for proportional lining figures) or ".tf" (for tabular figures) to the glyph name.

hist - Historical Forms

Add ".hist" suffix to the glyph name.

frac - Fractions

The frac feature is generated from a build in list of glyphs.

locl - Localized Forms

The locl feature is generated from a build in list of glyphs.

ssXX - Stylistic Set XX

Add ".ssXX" suffix to the glyph name, for example ".ss01" or ".xx12".

### Related Topics

Glyph naming