title: "using namespace" for Doxygen comments
body: <p>All classes of my library are defined within a namespace. When I create a mainpage for Doxygen I have to explicitly use this namespace within comments to make Doxygen generate links. I would like to use something like "using namespace" for the whole comment block.</p>
  
  <p>An example:</p>
  
  <pre><code>/**
  * \mainpage My Library
  *
  * Use MyLibraryNamespace::MyClass to ...
  */
  </code></pre>
  
  <p>Here Doxygen automatically generates a link to the documentation of MyLibraryNamespace::MyClass.</p>
  
  <pre><code>/**
  * \mainpage My Library
  *
  * Use MyClass to ...
  */
  </code></pre>
  
  <p>Here Doxygen does not generate a link to the documentation of MyLibraryNamespace::MyClass (as there might be multiple MyClass definitions in different namespaces I suppose). To ease the reading I would like to omit the namespace prefix in the comment. Is that possible without having to type <code>\ref MyLibraryNamespace::MyClass "MyClass"</code> every time?</p>