;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Pstr_attribute</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Parsetree</span>.attribute<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Pstr_extension</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Parsetree</span>.extension&nbsp;*&nbsp;<span class="constructor">Parsetree</span>.attributes<br>
&nbsp;&nbsp;<span class="keyword">and</span>&nb