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<a name="ATcolon"></a>
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<p>
Next: <a href="AT_0021.html#AT_0021" accesskey="n" rel="next">AT!</a>, Previous: <a href="AT_003b.html#AT_003b" accesskey="p" rel="prev">AT;</a>, Up: <a href="AT-commands.html#AT-commands" accesskey="u" rel="up">AT commands</a> &nbsp; [<a href="Parameter-index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-index.html#Concept-index" title="Index" rel="index">Index</a>]</p>
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<hr>

<a name="g_t_0040_003a_003a-Pseudo_002dcolon"></a>
<h4 class="subsection">5.13.3 &lsquo;<samp>@:</samp>&rsquo;:  Pseudo-colon</h4>

<a name="index-Pseudo_002dcolon"></a>
<a name="index-Colon_002c-pseudo"></a>
<a name="index-_0040_003a"></a>
<p>&lsquo;<samp>@:</samp>&rsquo; is an invisible colon (see <a href="Pseudo_002doperators.html#Pseudo_002doperators">Pseudo-operators</a>).
It can be helpful in formatting certain C constructions correctly.  For
example, if one has a named module defined as
</p>
<div class="example">
<pre class="example">@&lt;Cases@&gt;=
case 1:
case 2:
case 3@: @;
</pre></div>

<p>then one can use it as a case construction followed by the usual colon,
as in
</p>
<div class="example">
<pre class="example">switch(c)
        {
   @&lt;Cases@&gt;: 
        stuff;
        break;
        }
</pre></div>




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