0" class="variablelist compact">
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<td><p><span class="term"><code class="computeroutput">attr</code></span></p></td>
<td><p>The attribute factory. </p></td>
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<td><p><span class="term"><code class="computeroutput">name</code></span></p></td>
<td><p>The attribute name. </p></td>
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<td><p><span class="term">Returns:</span></p></td>
<td><p>A pair of values. If the second member is <code