</span>
<span class="keyword">void</span> <span class="identifier">register_observer</span><span class="special">(</span><a class="link" href="../test_observer.html" title="Class test_observer">test_observer</a> <span class="special">&</span> to<span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
-<a name="idm45734499951184"></a><h2>Description</h2>
+<a name="idm45313889687296"></a><h2>Description</h2>
<p>
</p>
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-<td align="right"><div class="copyright-footer">Copyright © 2001-2018 Boost.Test contributors<p>
+<td align="right"><div class="copyright-footer">Copyright © 2001-2019 Boost.Test
+ contributors<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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