title: Double quotes not escaped in R
body: <p>I need the to escape the double quotes in the following example and R returns :</p>
  
  <pre><code>xx&lt;-"the road is 'rocky all \"the\" way'"
  xx
  
  [1] "the road is 'rocky all \"the\" way'"
  </code></pre>
  
  <p>The final string should contain both the single and the double quotes</p>
  
  <pre><code>the road is 'rocky all "the" way' 
  </code></pre>
  
  <p>How can I achieve this?</p>