subscript

[tocsoft]

render portions of text in a subscript style

[JimBobSquarePants]

Fairly certain this will be covered by the GPOS support provided by https://docs.microsoft.com/en-us/typography/opentype/spec/gpos#lookup-type-1-single-adjustment-positioning-subtable

[JimBobSquarePants]

While the support exists via #198 the feature tag is not enabled by default as per spec recommendation. We need to plan to allow this.

[JimBobSquarePants]

Fixed with #248 and #251