ence.
Note that <code>-patt</code> is equivalent to <code>"" - patt</code>
(or <code>0 - patt</code>).
If <code>patt</code> is a character set,
<code>1 - patt</code> is its complement.
</p>


<h3><a name="op-mul"></a><code>patt1 * patt2</code></h3>
<p>
Returns a pattern that matches <code>patt1</code>
and then matches <code>patt2</code>,
starting where <code>patt1</code> finished.
The identity element for this operation is the
pattern <code>lpeg.P(true)</code>,
which always succeeds.
</p>

<p>
(LPeg uses th