1 all<span class="sy0">:</span> prog1 prog2
2 <span class="sy0">./</span><span class="re0">$<</span>
3 <span class="sy0">./$</span><span class="br0">(</span><span class="re1">word</span> 2<span class="sy0">,</span> <span class="re0">$^</span><span class="br0">)</span>
