I do not know what bug you're talking about,
my code, rewritten adopted to Tk, behaves correctly for win32, including ctrl+v copy-pasting: 
use Tk;

my $t=tkinit->Text->pack;
$t->bind('<<Modified>>'=>sub {
        if($t->editModified) {print qq/chg\n/;$t->editModified(0)}
    });

MainLoop;

[download]

In reply to Re^2: Onchange-like event handler for Tk text widget by vkon
in thread Onchange-like event handler for Tk text widget by Lodae00

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