e distinguished </DT>

<DD>The terminal symbols X and Y are declared to have the same structure,
e.g.,<BR>
&nbsp;&nbsp;&nbsp;&nbsp;integer = digit {digit} .<BR>
&nbsp;&nbsp;&nbsp;&nbsp;real = digit {digit} [&quot;.&quot; {digit}] .<BR>
In this example, a digit string could be recognized either as an integer
or as a real. </DD>
</DL>
</blockquote>

<P>The following messages are warnings. They may indicate an error but
they may also describe desired effects. The generated compiler parts are
valid, although if