  <option value="renpy">Ren'py</option>
                        <option value="reason">Reason</option>
                        <option value="rest">reST (reStructuredText)</option>
                        <option value="rip">Rip</option>
                        <option value="roboconf">Roboconf</option>
                        <option value="ruby">Ruby</option>
                        <option value="rust">Rust</option>
                        <option value="sas">SAS</option>
                        <option 