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<h3>
C++ Code Blocks
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">some_header</span><span class="special">></span>
<span class="preprocessor">#include</span> <span class="string">"another_header.hpp"</span>
<span class="preprocessor"># define</span> <span class="identifier">A_MACRO</span> <span class="identifier">value</span>
<span class="preprocessor">#define</span> <span class="identifier">stringize</span><span class="special">(</span><span class="identifier">hello</span><span class="special">)</span> <span class="special">#</span><span class="identifier">hello</span>
<span class="comment">// No escape</span>
<span class="comment">/* No escape */</span>
<span class="comment">/* No escape
* with newlines
*/</span>
<span class="comment">// In Header: <<a href="http://www.boost.org/doc/libs/release/boost/optional/optional.hpp">boost/optional/optional.hpp</a>></span>
<span class="comment">/* In Header: <<a href="http://www.boost.org/doc/libs/release/boost/optional/optional.hpp">boost/optional/optional.hpp</a>> */</span>
<span class="comment">/* Multiple escapes: <span class="emphasis"><em>italic</em></span>
* <span class="underline">underline</span><span class="bold"><strong>bold</strong></span>
*/</span>
<span class="comment">/* Token pasting: */</span> <span class="identifier">a</span><span class="special">##</span><span class="identifier">b</span>
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<p>
A badly formed comment:
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<pre class="programlisting"><span class="comment">/* Oh dear
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<p>
A badly formed comment with an escape:
</p>
<pre class="programlisting"><span class="comment">/* Oh dear <span class="bold"><strong>bold</strong></span>
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<p>
Just some code:
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<pre class="programlisting"><span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span> <span class="special">{</span>
<span class="keyword">constexpr</span> <span class="keyword">char32_t</span> <span class="identifier">x</span> <span class="special">=</span> <span class="char">'a'</span><span class="special">;</span>
<span class="keyword">const</span> <span class="keyword">auto</span> <span class="identifier">y</span> <span class="special">=</span> <span class="identifier">x</span> <span class="special">-</span> <span class="char">' '</span><span class="special">;</span>
<span class="special">}</span>
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