title: PDF content display issue
body: <p><a href="https://stackoverflow.com/questions/27563539/read-change-and-save-doc-in-javascript-angular/53058092#53058092">Read, change and save doc in Javascript (Angular)</a></p>
  
  <p>Above is the code for reading content of PDF.  When I upload a PDF,  the contests of PDF is displaying in unreadable format. </p>