re_type)<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Pctf_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">Pctf_extension</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Parsetree</span>.extension<br>
&nbsp;&nbsp;<span class="keyword">and</span>&nbsp;<span class="keywordsign">'