“Renaming” an OT feature on export?

[SCarewe (Sebastian Carewe)]

This is actually a good idea to circumvent exactly this case, which I evoked here:

Custom Parameter: Rename feature description

Coming back to this. Let me provide a simpler scenario: I have a file with .ss01 glyphs. These are single-storey /a glyphs, so the feature description is “Single-storey a”. In the italic, I want to switch this. So the default a is single-storey and the ss01 contains the double-storey a. The feature description should thus be “Double-storey a”. I would like simply to change the feature description, not the feature code. I realise this should probably be unified in a font family, so that the f…