Improved readable code in sylvan.c (use node_low and node_high)
Improved readable code in sylvan.c (use node_low and node_high)

Meijuh/sylvan,utwente-fmt/sylvan,bernied/sylvan,trolando/sylvan,bernied/sylvan,utwente-fmt/sylvan,trolando/sylvan,Meijuh/sylvan