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Newsgroups: comp.lang.ada
Date: Wed, 30 Dec 2015 07:10:14 -0800 (PST)
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Subject: Re: Overriding puzzle
From: Egil H H <ehh.public@gmail.com>
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Xref: news.eternal-september.org comp.lang.ada:28934
Date: 2015-12-30T07:10:14-08:00
List-Id: <comp.lang.ada>

You need to make the call to Header dispatching.
One way would be:

   procedure New_Page(o: A) is 
    begin 
      Header(A'Class(o)); 
    end;

-- 
~egilhh