   <li class="nav-item" data-level="4"><a href="#installing-the-required-packages" class="nav-link">Installing the required packages</a>
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              </ul>
            </li>
            <li class="nav-item" data-level="2"><a href="#using-command-line-tools" class="nav-link">Using command line tools</a>
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            <li class="nav-item" data-level="3"><a href="#generating-cmajor-code" class="nav-link">Generating Cmajor code