title: C++: Is there a standard definition for end-of-line in a multi-line string constant?
body: <p>If I have a multi-line string C++11 string constant such as</p>
  
  <pre><code>R"""line 1
  line 2
  line3"""
  </code></pre>
  
  <p>Is it defined what character(s) the line terminator/separator consist of?</p>