       <th><abbr title="txt or utxt (unicode)">txt</abbr></th>
                                <th>base64</th>
                            </tr>
                            </thead>
                            <tbody>
                            <tr>
                                <td><a href="https://github.com/blockdiag/blockdiag">BlockDiag</a></td>
                                <td>âï¸</td>
                                <td>âï¸</td>
                                <td></td>
       