or a function can optionally specify a custom
calling sequence and/or a custom deallocation sequence, via <span class=nonterminal>quote</span>
clauses following the function declaration:
</p><div class="syntax"><table class="display dcenter"><tr style="vertical-align:middle"><td class="dcell"><table style="border-spacing:6px;border-collapse:separate;" class="cellpading0"><tr><td style="text-align:right;white-space:nowrap" ><span class=nonterminal>function-decl</span></td><td style="text-align:center;white-s