title: how to split one path into two paths in svg
body: <p>I'm very new to svg syntax and I want to know how I can split a path into two paths. actually I have something like this:</p>
  
  <p><code>M Xm Ym ... C Xc1 Yc1 Xc2 Yc2 Xc3 Yc3 (*) C Xd1 Yd1 Xd2 Yd2 Xd3 Yd3 C ...</code></p>
  
  <p>(*) is where I want to split the path</p>
  
  <p>and I want to convert it to two paths like this:</p>
  
  <p><code>M Am Bm ... C Ac1 Bc1 Ac2 Bc2 Ac3 Bc3</code></p>
  
  <p>and</p>
  
  <p><code>M An Bn C Ad1 Bd1 Ad2 Bd2 Ad3 Bd3 ...</code></p>
  
  <p>How to calculate A and B numbers by X and Y nums?</p>