There are 138 LSVs that DM1 shares with EDMD, FSHD or both, and GFPT1 is not the only well-established, “DM1-desribed” splice event: BIN1 and MBNL1 are misspliced at the same locus in FSHD, but with different outcomes. Here, GFPT1 is linked to myotonic dystrophy type 1.