HTML Utilities
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<h3>Showing help on 'length()'</h3>
Syntax:  length (&lt;list or string&gt;)   =&gt; int<br>
<br>
Returns the number of characters in &lt;list or string&gt;.  <br>
<br>
    length("foo")       =&gt;   3<br>
    length("")          =&gt;   0<br>
    length({1, 2, 3})   =&gt;   3<br>
    length({})          =&gt;   0<br>

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