 the <B>pushstack</B> command, reverting the layout
      window to the cell that was loaded prior to the <B>pushstack</B>
      call.  This is implemented as a stack, and calls may be nested.
   </BLOCKQUOTE>

<H3>Implementation Notes:</H3>
   <BLOCKQUOTE>
      <B>popstack</B> is implemented as a Tcl procedure in the "tools"
	script.
   </BLOCKQUOTE>

<H3>See Also:</H3>
   <BLOCKQUOTE>
      <A HREF=pushstack.html><B>pushstack</B></A> <BR>
   </BLOCKQUOTE>

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