title: Can PDF XML metadata be attached to individual elements of the PDF or just the entire file?
body: <p>We are looking to embed metadata attached to elements as well as individual page objects in PDF but are not clear on whether XMP would be the right solution.  As an alternative we have considered embeddeding code in the annotations attached to each object in the pdf.</p>
  
  <p>Any ideas on how to embed metadata to individual pdf elements?</p>