-#include <signal.h>
-#include <unistd.h>
-
-#include <data/casereader.h>
-#include <data/casewriter.h>
-#include <data/dictionary.h>
-#include <data/format.h>
-#include <data/procedure.h>
-#include <data/subcase.h>
-#include <data/variable.h>
-#include <gsl/gsl_cdf.h>
-#include <libpspp/assertion.h>
-#include <libpspp/message.h>
-#include <libpspp/misc.h>
-#include <math/sort.h>
-#include <math/wilcoxon-sig.h>
-#include <output/table.h>
-#include <signal.h>
-#include <unistd.h>
-
-#include "minmax.h"
-#include "xalloc.h"
+
+#include "data/casereader.h"
+#include "data/casewriter.h"
+#include "data/dictionary.h"
+#include "data/format.h"
+#include "data/procedure.h"
+#include "data/subcase.h"
+#include "data/variable.h"
+#include "libpspp/assertion.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "math/sort.h"
+#include "math/wilcoxon-sig.h"
+#include "output/tab.h"
+
+#include "gl/minmax.h"
+#include "gl/xalloc.h"