span class="identifier">ID_EOL</span></code>, and <code class="computeroutput"><span class="identifier">ID_CHAR</span></code>, representing a word (anything
          except a whitespace or a newline), a newline character, and any other character
          (<code class="computeroutput"><span class="identifier">ID_WORD</span></code>, <code class="computeroutput"><span class="identifier">ID_EOL</span></code>, and <code class="computeroutput"><span class="identifier">ID_CHAR</span></code>
          are enum va