# Muffin DocumentInfo Filter

    DocumentInfo can add additional information to HTML documents.  One
    use for this filter is to include the Last-Modification date is in the
    header or footer of HTML documents.  Any HTTP header information can
    be displayed as well as some builtin attributes.  The resulting
    information can be displayed at the top or botton of the document and
    can be aligned to either the left or right side of the page.

    Information to be displayed is specified using a key.  For HTTP
    headers, the key is the HTTP header name.  Other builtin keys
    are:

        URL - URL of the HTML document
        Client -  client IP address and hostname
        Date - current date
        LastModified - Last modifcation date in localtime

    Some useful HTTP headers to include are:

        Server - server software version
        Content-length - number of bytes in document
        Referer - referring document

    This filter has the following configurable preferences:

    * DocumentInfo.info

      Comma separated list of information to display.
      Example: "URL,Server,Client,LastModified,Date"

    * DocumentInfo.location

      Place the information at the "top" or "bottom" of the page.

    * DocumentInfo.align

      Align information on "left" or "right" side of the page.

    * DocumentInfo.htmlAfter

      HTML to insert before the inforation

    * DocumentInfo.htmlBefore

      HTML to insert before the inforation

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