frac feature

[glenda-tn]

Whole numbers should not convert to numr when frac feature is implemented. 1½ 1¼ 1¾ 6 3/4 1 1/2 3 2/3 1½ 1¼ 1¾ 6 3/4 1 1/2 3 2/3

[djrrb]

If there are no objections, I’ll replace the original approach with the contextual one recommended here: https://opentypecookbook.com/common-techniques/#fractions

[djrrb]