whitespace example

while (false !== $tok && !('<' == $tok && ($this->scanner->sequenceMatches($sequence, $caseSensitive)))) {
            if ('&' == $tok) {
                $txt .= $this->decodeCharacterReference();
                $tok = $this->scanner->current();
            } else {
                $txt .= $tok;
                $tok = $this->scanner->next();
            }
        }
        $len = strlen($sequence);
        $this->scanner->consume($len);
        $len += $this->scanner->whitespace();
        if ('>' !== $this->scanner->current()) {
            $this->parseError('Unclosed RCDATA end tag');
        }

        $this->scanner->unconsume($len);
        $this->events->text($txt);
        $this->setTextMode(0);

        return $this->endTag();
    }