sp;&nbsp;<span class="keyword">val</span>&nbsp;keep_docs&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;keep_locs&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;unsafe_string&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;opaque&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.re