<_comment>Audio Interchange File Format</_comment>
    <magic priority="20">
      <match value="FORM....AIFF" type="string" offset="0"
             mask="0xFFFFFFFF00000000FFFFFFFF"/>
      <match value="FORM....AIFC" type="string" offset="0"
             mask="0xFFFFFFFF00000000FFFFFFFF"/>
      <!-- Amiga IFF sound sample, somewhat like the more modern AIFF -->
      <match value="FORM....8SVX" type="string" offset="0"

The iteration may be controlled by a single condition, a "for" clause, or a "range" clause.
</p>

<pre class="ebnf">
ForStmt   = "for" [ Condition | ForClause | RangeClause ] Block .
Condition = Expression .
</pre>

<h4 id="For_condition">For statements with single condition</h4>

<p>
In its simplest form, a "for" statement specifies the repeated execution of