# Muffin Preview Filter

    Preview can be used to view content before it's sent to the browser.
    Content can be accepted or rejected.  Image content such as image/gif
    and image/jpeg is displayed in a pop-up window.  Text (HTML) content
    is displayed in a text window which allows the text to be modified
    before it's sent to the browser.  This can be very useful to edit HTML
    on-the-fly.

    This filter has the following configurable preferences:

    * Preview.contentTypes

      List of content types to preview.  Partial content types can
      be specified.  "text" will match "text/plain" and "text/html".

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