I've also just tried to set: 
$page->{...}{'toolbar'}{'standard'} = $toolbar->{'standard'};

[download]
before $toolbar->{'standard'} gets defined but it doesn't appear to work. I was expecting it to work as well.

I may have misstated a detail on the problem. The structure lays out a little more like this: 

# $struct->{'toolbar'}{'standard'} does not exist at
# this point.  $struct->{'toolbar'} may or may not exist
$struct->{'page'}{...}{'toolbar'}{'standard'} = $struct->{'toolbar'}{'
+standard'};

[download]

This is more complete.

In reply to Re^2: Defining a hash key for later use by amw1
in thread Defining a hash key for later use by amw1

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