/span>.
...
yes

| <span class="o">?-</span> <span class="k">set_logtalk_flag</span>(debug, on).
yes

| <span class="o">?-</span> <span class="k">logtalk_load</span>(family(loader)).
...
yes

| <span class="o">?-</span> ports_profiler<span class="o">::</span>start.
yes

| <span class="o">?-</span> addams<span class="o">::</span>sister(<span class="nv">Sister</span>, <span class="nv">Sibling</span>).
<span class="nv">Sister</span> <span class="o">=</span> wednesday,
<span class="nv">Sibling</span> <span clas