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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: I do not understand this error...
Date: Sat, 6 Feb 2016 21:36:20 -0700
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Date: 2016-02-06T21:36:20-07:00
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On 02/06/2016 05:34 PM, John Smith wrote:
> The the following example is wrong:
> http://rosettacode.org/wiki/Hello_world/Graphical#Ada

Perhaps. I've always used callbacks in library-level pkgs with GtkAda, so I
don't know if using a callback declared at a deeper level might be legal in some
cases. There are also questions about the versions of GtkAda and the compiler
used to compile this.

> If so, then how would you fix this?

I would declare the callbacks in a library-level pkg.

-- 
Jeff Carter
"[I]f we should ever separate, my little plum,
I want to give you one little bit of fatherly advice. ... Never
give a sucker an even break."
Poppy
97