PTS as a local macros.</p>
<p>ALLOW-WITH-INTERRUPTS allows the WITH-INTERRUPTS to take effect during the
dynamic scope of its body, unless there is an outer WITHOUT-INTERRUPTS without
a corresponding ALLOW-WITH-INTERRUPTS.</p>
<p>WITH-LOCAL-INTERRUPTS executes its body with interrupts enabled provided that
for there is an ALLOW-WITH-INTERRUPTS for every WITHOUT-INTERRUPTS surrounding
the current one. WITH-LOCAL-INTERRUPTS is equivalent to:</p>
<p>(allow-with-interrupts (with-interrupts …))</p>
<p>Care mus