-#include <data/casereader.h>
-#include <data/casewriter.h>
-#include <data/dictionary.h>
-#include <data/variable.h>
-#include <data/case.h>
-#include <libpspp/assertion.h>
+#include "data/casereader.h"
+#include "data/casewriter.h"
+#include "data/dictionary.h"
+#include "data/variable.h"
+#include "data/case.h"
+#include "libpspp/assertion.h"