title: How to map the register of vim?
body: <p>I use <code>"+</code> to access the system clipboard, </p>
  
  <p>but the <code>+</code> is too far, </p>
  
  <p>I want to use <code>"p</code> to access the system clipboard, how can I do? </p>
  
  <p>Thanks...</p>