r
 style="font-family: courier new,courier,monospace;">
<span style="font-family: courier new,courier,monospace;">&nbsp;&nbsp;&nbsp;<span
 style="font-weight: bold;">end</span>;</span><br
 style="font-family: courier new,courier,monospace;">
<span style="font-family: courier new,courier,monospace;"><span
 style="font-weight: bold;">&nbsp; if </span>not assigned(LElement) <span
 style="font-weight: bold;">then</span></span><br
 style="font-family: courier new,courier,monospace;">
<span style="font-f