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Copyright (c) 2000-2017 Ericsson Telecom AB
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Farkas, Laszlo
Szabados, Kristof
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<title>null</title>
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<hr>
<h1>null</h1>
<hr align="left" width="75%">
<p>This special value refers to something undefined. It may indicate...</p>
<ul>
<li>an undefined <a href="altstep.html"><b><font face="Courier New" size="4">default</font></b></a> reference, e.g. for the initialization of variables to handle default references (i.e., <a
href="altstep.html"><b><font face="Courier New" size="4">activate</font></b></a>d <a href="altstep.html"><b><font face="Courier New" size="4">altstep</font></b></a>s).</li>
<li>an undefined <a href="address.html"><b><font face="Courier New" size="4">address</font></b></a>, e.g. for the initialization of variables of the address type.</li>
</ul>
<p>Related keywords:</p>
<ul>
<li><a href="address.html"><b><font face="Courier New" color="#003258" size="4">address</font></b></a></li>
<li><a href="altstep.html"><b><font face="Courier New" color="#003258" size="4">altstep</font></b></a></li>
<li><a href="activate.html"><b><font face="Courier New" color="#003258" size="4">activate</font></b></a></li>
<li><a href="default.html"><b><font face="Courier New" color="#003258" size="4">default</font></b></a></li>
</ul>
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<h3 align="center"><font face="Courier New" color="#003258" size="5"><b>null</b></font></h3>
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</center>
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<p>Example 1:
<p><font face="Courier New">var default vd_DefaultVariable := null; </font>
<p>The variable vd_DefaultVariable is declared and given the initial value null.</p>
<hr align="left" width="50%">
<p>Example 2:
<p><font face="Courier New">var address v_MySUTentity := null; </font>
<p>The variable v_MySUTentity is declared and given the initial value null.</p>
<hr align="left" width="25%">
<hr align="left" width="25%">
<p><a HREF="BNF.html#activateop">BNF definition</a> of <font face="Courier New">null</font></p>
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