xplicitly that the end of the source has been
reached.  When the Scanner detects that the end of the source has been
reached further attempts to obtain a token return only this one.</P>

<P>The CONTEXT phrase in a <I>TokenTerm</I> means that the term is only
recognized when its right hand context in the input stream (i.e. the
characters following in the input stream) matches the <I>TokenExpr</I>
specified in brackets. Note that the context phrase is not part of the
token.</P>

<P><I>Examples</I> </P>

<PRE>