found the answer after studying widget_lib/balloon.pl, but _why_?

Goal: build balloon help for ScrlListbox dynamically

$bloon->attach( $toollist->Subwidget("scrolled"),
        -balloonposition => 'mouse',
        -msg => [@tooldescs] );

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Here's the question: why do I need to enclose @tooldesc in square brackets?

In reply to TK::Balloon by samizdat

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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