enum­spec – Enu­mer­ate with ex­tra lead­ing char­ac­ter for la­bels

The pack­age al­lows for a lead­ing char­ac­ter on the enu­mer­ate la­bel(s). The de­fault char­ac­ter to be used (\lead­char) is by de­fault $\ast$, but may be re­de­fined.