code: func (t *Table) printLine(nl bool) {
  	fmt.Fprint(t.out, t.center(-1))
  	for i := 0; i < len(t.cs); i++ {
  		v := t.cs[i]
  		fmt.Fprintf(t.out, "%s%s%s%s",
  			t.pRow,
  			strings.Repeat(string(t.pRow), v),
  			t.pRow,
  			t.center(i))
  	}
  	if nl {
  		fmt.Fprint(t.out, t.newLine)
  	}
  }
docs: // Print line based on row width