title: Does (Exclusive) XML Canonicalization ignore whitespaces outside tags (indentation)?
body: <p>When XML must be canonicalized according to <a href="http://www.w3.org/TR/xml-exc-c14n/" rel="nofollow">http://www.w3.org/TR/xml-exc-c14n/</a>,
  should the following pieces of XML become equals?
  (note, the <code>.</code> character stands for a <code>' '</code> space)</p>
  
  <pre><code>&lt;a&gt;
  .&lt;b&gt;
  ..&lt;c&gt;data&lt;/c&gt;
  .&lt;/b&gt;
  &lt;/a&gt;
  </code></pre>
  
  <p>and</p>
  
  <pre><code>&lt;a&gt;
  ...&lt;b&gt;
  ......&lt;c&gt;data&lt;/c&gt;
  ...&lt;/b&gt;
  &lt;/a&gt;
  </code></pre>
  
  <p>In other words: does Exclusive Canonicalization ignore whitespaces? (or ignore indent-size)</p>
  
  <p>Or, should indentations remain the same? 
  And how about the first one?
  Will the canoncialized version of <code>&lt;b&gt;</code> (from the seconds example) become</p>
  
  <pre><code>...&lt;b&gt;
  ......&lt;c&gt;data&lt;/c&gt;
  ...&lt;/b&gt;
  </code></pre>
  
  <p>or</p>
  
  <pre><code>&lt;b&gt;
  ......&lt;c&gt;data&lt;/c&gt;
  ...&lt;/b&gt;
  </code></pre>
  
  <p>or</p>
  
  <pre><code>&lt;b&gt;
  ...&lt;c&gt;data&lt;/c&gt;
  &lt;/b&gt;
  </code></pre>