Mods:

With the body, I stopped decreasing and moved along to the waist band after repeating rows 7-12 6 times. (Basically, I followed the size M instructions at that point instead of continuing on with the size L ones.) I’m short-waisted and the body was long enough at that point.

To shorten the sleeves a little, I only repeated the previous 14 rows twice (rather than the 5 times instructed for the L size)…50 stitches. Then knitted 10 rounds plain before starting the sleeve band. For the sleeve bands, I just repeated the bracketed section 5 times around.

Because I made the body shorter, I picked up fewer stitches for the neck band: 70 on each front edge, and 34 across the back, 174 st. total.