title: In a .csproj file, what is <None Include="..."> for?
body: <p>How is</p>
  
  <pre><code>&lt;None Include="C:\foo.bar" /&gt;
  </code></pre>
  
  <p>different from</p>
  
  <pre><code>&lt;Content Include="C:\foo.bar" /&gt;
  </code></pre>
  
  <p>?</p>