-- -*- M2-comint -*- hash: 1730451150004294073

i1 : wrap(10,"abcdefghijklmnopqrstuvwxyz")

o1 = abcdefghij
     klmnopqrst
     uvwxyz

i2 : wrap(10,"-","abcdefghijklmnopqrstuvwxyz")

o2 = abcdefghij
     ----------
     klmnopqrst
     ----------
     uvwxyz

i3 : 
