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\usepackage{hypertlabook}
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\file{bang-notation}
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\subsection*{Yet Another ``\,!\,''}
%\ctindex{2}{+5t@\mmath{"!} (with instantiation)}{+5t}%"
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The ``\,!\,''\ here is just a piece of syntax.  Don't
try to read anything into the use of that character.
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