title: Does C support raw string literals?
body: <p>C++11 added support for raw string literals, such as:</p>
  
  <pre><code>R"foo(A " weird \"
   string)foo"
  </code></pre>
  
  <p>Does C have such a thing? If so, in what version of the standard? C11? If not, does anyone know if it is being planed and if any compilers support it?</p>