const char * zCmd = P("cmd");

  if( zCmd==0 ) zCmd = P("name");
  style_header("Command-line Help");
  if( zCmd ){
    int rc, idx;
    char *z, *s, *d;

    char const * zCmdOrPage = ('/'==*zCmd) ? "page" : "command";
    style_submenu_element("Command-List", "Command-List", "%s/help", g.zTop);
    @ <h1>The "%s(zCmd)" command:</h1>
    @ <h1>The "%s(zCmd)" %s(zCmdOrPage):</h1>
    rc = name_search(zCmd, aCommand, count(aCommand), &idx);
    if( rc==1 ){
      @ unknown command: %s(zCmd)
    }else if( rc==2 ){
      @ ambiguous command prefix: %s(zCmd)
    }else{
      z = (char*)aCmdHelp[idx].zText;

    for(i=j=0; i<count(aCommand); i++){
      const char *z = aCommand[i].zName;
      if( '/'!=*z ) continue;
      if( j==0 ){
        @ <td valign="top"><ul>
      }
      if( aCmdHelp[i].zText && *aCmdHelp[i].zText ){
        @ <li><a href="%s(g.zTop)/help?cmd=%s(z)">%s(z)</a></li>
        @ <li><a href="%s(g.zTop)/help?cmd=%s(z)">%s(z+1)</a></li>
      }else{
        @ <li>%s(z)</li>
        @ <li>%s(z+1)</li>
      }
      j++;
      if( j>=n ){
        @ </ul></td>
        j = 0;
      }
    }