showMessage (line 149)

Create the object used to display the message.

• return: Array with the following keys:

   FOR BOTH MODES:
   'atc_download' - The download all link
   'atc_label' - The label to use for Attachments
   'atc_list' - The list (HTML code) of attachments
   'error' - Contains an error message (only on error)
   'errortype' - Contains the error type (only on error)
   'folder' - The IMAP folder
   'index' - The IMAP UID
   'msgtext' - The text of the message
   'priority' - The X-Priority of the message ('low', 'high', 'normal')
   'source_link' - The URL to view the message source
   'uid' - The unique UID of this message
  
   FOR PREVIEW MODE:
   'cc' - The CC address
   'from' - The From address
   'fulldate' - The fully formatted date
   'js' - Javascript code to run on display (only if the previewview
          hook is active)
   'minidate' - A miniature date
   'to' - The To address
  
   FOR NON-PREVIEW MODE:
   'headers' - An array of headers

• array $args: Configuration parameters.

   'headers' - The headers desired in the returned headers array (only used
               with non-preview view)
   'folder' - The folder name
   'index' - The folder index
   'preview' - Is this the preview view?