title: How to truncate tail each line of multiline UILabel
body: <p><code>NSString *longStr = @"AAAAAAAAAA\nBBBBB\nCCCCCCCCCCCCCCCCCC";</code></p>
  
  <p>How to make this truncation with UILabel for some label width:</p>
  
  <pre><code>AAA...  
  BBB...
  CCC...
  </code></pre>