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<DT><A NAME="foot139">... application.</A><A
 HREF="node3.html#tex2html3"><SUP>1</SUP></A></DT>
<DD>The
  global statistical counters are used locally; hence they are
  compatible with the use of multiple managers.

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<DT><A NAME="foot1083">...
node.</A><A
 HREF="node3.html#tex2html4"><SUP>2</SUP></A></DT>
<DD>When the variables in a group are reordered, the
  association between the <I>low</I> field and the index of the first
  variable in the group is lost. The package updates the tree to keep
  track of the changes. However, the application cannot rely on
  <I>low</I> to determine the position of variables.

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