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<h5 class="subsubsection">9.40.5.1 Special Characters</h5>
<p><a name="index-line-comment-character_002c-RX-2045"></a><a name="index-RX-line-comment-character-2046"></a>The presence of a &lsquo;<samp><span class="samp">;</span></samp>&rsquo; appearing anywhere on a line indicates the
start of a comment that extends to the end of that line.
<p>If a &lsquo;<samp><span class="samp">#</span></samp>&rsquo; appears as the first character of a line then the whole
line is treated as a comment, but in this case the line can also be a
logical line number directive (see <a href="Comments.html#Comments">Comments</a>) or a preprocessor
control command (see <a href="Preprocessing.html#Preprocessing">Preprocessing</a>).
<p><a name="index-line-separator_002c-RX-2047"></a><a name="index-statement-separator_002c-RX-2048"></a><a name="index-RX-line-separator-2049"></a>The &lsquo;<samp><span class="samp">!</span></samp>&rsquo; character can be used to separate statements on the same
line.
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