Annotation dictionaries in an FDF file are of an appropriate PDF::Annot subclass (e.g. PDF::Annot::Widget). They also mix-in this role (FDF::Annot) which includes a
Page entry indicating the page of the source document to which the annotation is attached.
class UInt $.Page
(Required for annotations in FDF files) The ordinal page number on which this annotation should appear, where page 0 is the first page.
method page-number() returns UInt
Note that the raw
$.Page entry starts at page 0. This is an alternative rw accessor that starts at page 1.