const int includeContent = ajax_p_bool("includeContent");

  cgi_set_content_type("application/json");
  db_begin_transaction();
  db_prepare(&q, "SELECT"
             " substr(tagname,6) AS name"
             " FROM tag WHERE tagname GLOB 'wiki-*'"
             " UNION SELECT 'sandbox' AS name"
             " ORDER BY name COLLATE NOCASE");
  CX("[");
  while( SQLITE_ROW==db_step(&q) ){
    char const * zName = db_column_text(&q,0);
    if(n++){
      CX(",");
    }

    CX("<li><a href='%R/md_rules'>Markdown format</a></li>");
    CX("<li>Plain-text pages use no special formatting.</li>");
    CX("</ul>");
    CX("<hr><h3>Attachments</h3>");
    CX("<div id='wikiedit-attachments'></div>"
       /* Filled out by JS */);
    CX("<hr><h3>The \"Sandbox\" Page</h3>");
    CX("<p>The page named \"sandbox\" is not a real wiki page. "
       "It provides a place where users may test out wiki syntax "
       "without having to actually save anything, nor pollute "
       "the repo with endless test runs. Any attempt to save the "
       "sandbox page will fail.</p>");
    CX("<hr><h3>Wiki Name Rules</h3>");
    well_formed_wiki_name_rules();
    CX("</div>"/*#wikiedit-tab-save*/);