'Position'</span>,[160 5 60 20],<span class="keyword">...</span>
0566         <span class="string">'String'</span>,<span class="string">'Normalize'</span>,<span class="keyword">...</span>
0567         <span class="string">'Interruptible'</span>,<span class="string">'off'</span>,<span class="keyword">...</span>
0568         <span class="string">'BusyAction'</span>,<span class="string">'cancel'</span>,<span class="keyword">...</span>
0569         <span class="string">'Callback'</span>,@<a href="#_sub6" class=