Turn off ligatures when letterspacing
When letterspacing, we don't want the letters making up ligatures to 'stick together', so turn off OpenType features that request optional ligatures (liga, clig, dlig).
Closes: #182 (closed)
When letterspacing, we don't want the letters making up ligatures to 'stick together', so turn off OpenType features that request optional ligatures (liga, clig, dlig).
Closes: #182 (closed)