By understanding
what annotations are and how that are represented
inside PDF document can make it easy to update
and change a PDF. This article explores in great
detail how to use PDFCanOpener to find Annotations
and see how they are constructed.
In this
article Thom looks inside a PDF file and explains
it's structures, objects and relationships using
PDFCanOpener. This is an excellent introductory
article about what PDF is and how it's organised
internally.
Many thanks
to Dimitri/Thom Parker at WindJack for allowing AcroTips.com
to present their excellent articles.