title: Can WiX reference a project with a period in the name?
body: <p>WiX files can <a href="http://wix.sourceforge.net/manual-wix3/votive_project_references.htm">reference other projects using <code>$(var.ProjectName.TargetPath)</code></a> syntax. However, I have a project with a period in the name (My.Project). How can I reference this? I have tried:</p>
  
  <ul>
  <li><code>$(var.My.Project.TargetPath)</code></li>
  <li><code>$(var.My&amp;#46;Project.TargetPath)</code></li>
  <li><code>$(var.My\.Project.TargetPath)</code></li>
  <li><code>$(var.{My.Project}.TargetPath)</code></li>
  <li><code>$(var.(My.Project).TargetPath)</code></li>
  <li><code>$(var.[My.Project].TargetPath)</code></li>
  <li><code>$(var.MyProject.TargetPath)</code></li>
  <li><code>$(var.My%2EProject.TargetPath)</code></li>
  </ul>
  
  <p>The build error I get is:</p>
  
  <blockquote>
    <p>Undefined preprocessor variable '$(var.My.Project.TargetPath)'</p>
  </blockquote>