code: func (p *Palette) StackLines(signature *stack.Signature, srcLen, pkgLen int, fullPath bool) string {
  	out := make([]string, len(signature.Stack.Calls))
  	for i := range signature.Stack.Calls {
  		out[i] = p.callLine(&signature.Stack.Calls[i], srcLen, pkgLen, fullPath)
  	}
  	if signature.Stack.Elided {
  		out = append(out, "    (...)")
  	}
  	return strings.Join(out, "\n") + "\n"
  }
docs: // StackLines prints one complete stack trace, without the header.