-#include <data/data-in.h>
-#include <data/data-out.h>
-#include <data/format.h>
-#include <data/value.h>
-#include <libpspp/assertion.h>
-#include <libpspp/message.h>
-#include <libpspp/str.h>
+#include "data/data-in.h"
+#include "data/data-out.h"
+#include "data/format.h"
+#include "data/value.h"
+#include "libpspp/assertion.h"
+#include "libpspp/cast.h"
+#include "libpspp/message.h"
+#include "libpspp/str.h"