4. RichMedia annotations with glTF assets

4.8 Marking the Extension Level in PDF

Change the EXAMPLE as follows (correct ExtensionLevel value to an integer):

%PDF-2.0 
<< /Type /Catalog 
    /Extensions 
    <</ISO_ 
       << /Type /DeveloperExtensions 
          /BaseVersion /2.0 
          /ExtensionLevel /32007 
          /ExtensionRevision (1:2024) 
          /URL (https://www.iso.org/standard/45880.html) 
       >> 
    >>
>>