Hey, first off this is amazing, thanks a lot /gen pos
I'm running into an issue on 1.5 (MS Word) where the font won't translate into its dice even with correct options selected? (with the codes X_ON_DY it creates them as seperate entities)
Try switching on kerning (which may be listed as "OpenType kerning" in Word). Dicier uses this to make the X_ON_DY parts overlap with each other.
Unfortunately, Microsoft's been slowly deprecating OpenType feature support in MS Office (now only a subset of features work, only in limited ways, only in Word). See this previous issue. This may not be fixable in current MS Word.
My plan for fixing this is still in the planning stages and basically involves letting people choose their own codes, which should remove the need for almost all the OT features used in Dicier, which should make it more robust in different apps. I don't have a solid timeline for when this'll be implemented, though.