-#include <libpspp/assertion.h>
-#include <libpspp/cast.h>
-#include <output/driver.h>
-#include <output/output-item-provider.h>
-#include <output/table-item.h>
+#include "libpspp/assertion.h"
+#include "libpspp/cast.h"
+#include "output/driver.h"
+#include "output/output-item-provider.h"
+#include "output/table-item.h"