omputeroutput"><span class="special">+</span><span class="identifier">a</span></code>), will only buffer the data for the current
        repetition.
      </p>
<p>
        In typical grammars, ambiguity and therefore lookahead is often localized.
        In fact, many well designed languages are fully deterministic and require
        no lookahead at all. Peeking at the first character from the input will immediately
        determine the alternative branch to take. Yet, even with highly ambiguous
        