Discretionary Ligatures help

FontCreator - Font Editor
1

Hi!

t_t.ss03.dlig or t_t.dlig.ss03 is correct?

What version will be work?

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2

Both names are valid glyph names, but it is best to avoid stacking feature suffixes. Use one suffix that matches the feature you want:

  • t_t.dlig → discretionary ligature (feature dlig)
  • t_t.ss03 → ligature used only when ss03 is active

Chaining them (e.g. t_t.ss03.dlig or t_t.dlig.ss03) can work with auto-generation:

In case of t_t.ss03.dlig, you need to also have these glyphs:
t
t_t.ss03
t_t.ss03.dlig

for t_t.dlig.ss03 you need:
t
t_t.dlig
t_t.dlig.ss03

If you don’t want to add the intermediate names at all, just create the target glyph(s) and add the substitutions manually.

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3

Which one will work in a real software like Word or Affinity Designer?

4

Word supports both discretionary ligatures and stylistic sets.

Affinity also supports stylistic sets, but I am not sure about discretionary ligatures.