I wanted to know if is possible to apply an opentype fea. pos rule to more than one glyph in a single contextual rule? I have seen a lot of examples using classes
pos @NUMR @NUMR fraction <350 0 0 0>; where the ’ is both @NUMR or two glyphs?
Sorry if a painfully new question. As a secondary question are there any good books/web resources on opentype features code? I found the opentype cookbook but struggling to find more/more intermediate stuff?