f the value of
the terminal or non-terminal, and does not indicate the type of object
placed on the parse stack.

A declaration, such as:

<pre><tt>
terminal <i>terminal</i> [, <i>terminal ...</i>];
</tt></pre> 

indicates the terminals in the list hold no value.<p>

For more information, refer to the manual on <a href="#symbol_list">declarations</a>.

</p><h5><a name="label_ref">Label References</a></h5>

Label references do not refer to the object on the parse stack, as in
the old CUP, but rather to the v