title: Environment variable is not realized correctly
body: <p>When I use the <code>$Env:ProgramFiles(x86)</code> environment variable, there is no space character before the opening parenthesis. How can I get PowerShell to produce the necessary space? PSVersion 5.0.10586.117</p>
  
  <pre><code>PS C:\src\powershell\t&gt; "$Env:ProgramFiles(x86)"
  C:\Program Files(x86)
  PS C:\src\powershell\t&gt; Get-ChildItem "$Env:ProgramFiles(x86)"
  Get-ChildItem : Cannot find path 'C:\Program Files(x86)' because it does not exist.
  At line:1 char:1
  + Get-ChildItem "$Env:ProgramFiles(x86)"
  + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      + CategoryInfo          : ObjectNotFound: (C:\Program Files(x86):String) [Get-ChildItem]
     , ItemNotFoundException
      + FullyQualifiedErrorId : PathNotFound,Microsoft.PowerShell.Commands.GetChildItemCommand
  </code></pre>