title: How to Merge PDF file with Annotation
body: <p>i used this  <a href="https://stackoverflow.com/questions/6553540/merge-pdf-files-on-ios">link</a> 's code to merge pdf file ,pdf merge sucessfully with loss of annotation i want to merge pdf with annotattion i checked following link:</p>
  
  <p><a href="https://stackoverflow.com/questions/7383010/how-to-merge-multiple-pdf-files-into-one-pdf">How to Merge Multiple PDF Files Into One PDF</a></p>
  
  <p><a href="https://stackoverflow.com/questions/15430812/merge-2-pdf-files-in-ios">Merge 2 pdf files in iOS</a></p>
  
  <p>any other method to merge pdf file with annotation </p>
  
  <p>Please Help me</p>