static int nSubmenu = 0;     /* Number of buttons */
static struct SubmenuCtrl {
  const char *zName;         /* Form query parameter */
  const char *zLabel;        /* Label.  Might be NULL for FF_MULTI */
  int eType;                 /* FF_ENTRY, FF_CKBOX, FF_MULTI */
  int iSize;                 /* Width for FF_ENTRY.  Count for FF_MULTI */
  const char **azChoice;     /* value/display pairs for FF_MULTI */
  const char *zFalse;        /* FF_BINARY label when false */
} aSubmenuCtrl[20];
static int nSubmenuCtrl = 0;
#define FF_ENTRY  1
#define FF_CKBOX  2
#define FF_MULTI  3
#define FF_BINARY 4

/*
** Remember that the header has been generated.  The footer is omitted
** if an error occurs before the header.
*/
static int headerHasBeenGenerated = 0;

  const char *zLabel       /* Label before the checkbox */
){
  assert( nSubmenuCtrl < ArraySize(aSubmenuCtrl) );
  aSubmenuCtrl[nSubmenuCtrl].zName = zName;
  aSubmenuCtrl[nSubmenuCtrl].zLabel = zLabel;
  aSubmenuCtrl[nSubmenuCtrl].eType = FF_CKBOX;
  nSubmenuCtrl++;
}
void style_submenu_binary(
  const char *zName,       /* Query parameter name */
  const char *zTrue,       /* Label to show when parameter is true */
  const char *zFalse       /* Label to show when the parameter is false */
){
  assert( nSubmenuCtrl < ArraySize(aSubmenuCtrl) );
  aSubmenuCtrl[nSubmenuCtrl].zName = zName;
  aSubmenuCtrl[nSubmenuCtrl].zLabel = zTrue;
  aSubmenuCtrl[nSubmenuCtrl].zFalse = zFalse;
  aSubmenuCtrl[nSubmenuCtrl].eType = FF_BINARY;
  nSubmenuCtrl++;
}
void style_submenu_multichoice(
  const char *zName,       /* Query parameter name */
  int nChoice,             /* Number of options */
  const char **azChoice    /* value/display pairs.  2*nChoice entries */
){
  assert( nSubmenuCtrl < ArraySize(aSubmenuCtrl) );

              cgi_printf(
                "<option value='%h'%s>%h</option>\n",
                zQPV,
                fossil_strcmp(zVal,zQPV)==0 ? " selected" : "",
                aSubmenuCtrl[i].azChoice[j+1]
              );
            }
            @ </select>
            break;
          }
          case FF_BINARY: {
            int isTrue = PB(zQPN);
            cgi_printf(
               "<select class='submenuctrl' size='1' name='%s' "
               "onchange='gebi(\"f01\").submit();'>\n",
               zQPN
            );
            cgi_printf(
              "<option value='1'%s>%h</option>\n",
              isTrue ? " selected":"", aSubmenuCtrl[i].zLabel
            );
            cgi_printf(
              "<option value='0'%s>%h</option>\n",
              (!isTrue) ? " selected":"", aSubmenuCtrl[i].zFalse
            );
            @ </select>
            break;
          }
        }
      }
    }
    @ </div>

    if( d_rid ){
      if( p_rid ){
        /* If both p= and d= are set, we don't have the uuid of d yet. */
        zUuid = db_text("", "SELECT uuid FROM blob WHERE rid=%d", d_rid);
      }
      url_add_parameter(&url, "d", zUuid);
    }
    style_submenu_binary("v","With Files","Without Files");
    style_submenu_entry("n","Lines",1);
    timeline_y_submenu();
  }else if( f_rid && g.perm.Read ){
    /* If f= is present, ignore all other parameters other than n= */
    char *zUuid;
    db_multi_exec(
       "CREATE TEMP TABLE IF NOT EXISTS ok(rid INTEGER PRIMARY KEY);"

    }else if( rCirca>0.0 ){
      blob_appendf(&desc, " occurring around %h.<br />", zCirca);
    }
    if( zSearch ){
      blob_appendf(&desc, " matching \"%h\"", zSearch);
    }
    if( g.perm.Hyperlink ){
      style_submenu_binary("v","With Files","Without Files");
      if( zAfter || n==nEntry ){
        zDate = db_text(0, "SELECT min(timestamp) FROM timeline /*scan*/");
        timeline_submenu(&url, "Older", "b", zDate, "a");
        free(zDate);
      }
      if( zBefore || (zAfter && n==nEntry) ){
        zDate = db_text(0, "SELECT max(timestamp) FROM timeline /*scan*/");