So the trick is to edges will be softened if you subdivde them with SMT them with SMT next to harf you will need to. How to keep hard borders can, then touch up problem.
I may want to reactivate this thread because it has been an issue since the first version of ZBrush. This is generally not an issue if you are going to export the altered geometry from ZBrush and apply the maps generated directly to it. Actually the Macro script is doing exactly what was already mentioned: Store Morph Target, then Subdivide with smoothing, then go to back to Subdiv level 1 and switch back to MT. This is why it is necessary to store a morph target and reimport your original unaltered topology immediately prior to generating the textures for it.
