title: %mend statement in SAS macro
body: <pre><code>%macro A1(input);
  [balala]
  %mend A1;
  
  
  %macro A1(input);
  [balala]
  %mend;
  </code></pre>
  
  <p>I just realized both ways work for defining a macro. Is there any difference between these two?</p>