>
ARG_END</DT><DD>Evaluate the Operator stack until a FUNCTION token is at the top of the Operator stack; then increment the argument count of that function.</DD>
<DT>
NUMBER</DT><DD>Push number on Argument stack. (Actually, what is pushed is a reference to the thread's floating-point stack, which contains the number itself.)</DD>
<DT>
STRING</DT><DD>Push string on Argument stack.</DD>
<DT>
CELL_REF</DT><DD>Push the cell reference on the Argument stack.</DD>
<DT>
NAME</DT><DD>Call the callback function to f