rty
map may be templated on the key type, in which case this typedef
can be <TT>void</TT>.
</td>
</tr>

<tr>
<td>Property Map Category </td>
<td><TT>boost::property_traits&lt;PMap&gt;::category</TT></td>
<td>
The category of the property: a type convertible to
<TT>writable_property_map_tag</TT>.
</td>
</tr>

</table>


<h3>Valid Expressions</h3>

<table border>
<tr>
<th>Name</th><th>Expression</th><th>Return Type</th><th>Description</th>
</tr>

<tr>
<td>Put Property Value<a href="#1">[1]</a></td>
<TD><TT>pu