-#include <data/case.h>
-#include <data/procedure.h>
-#include <data/transformations.h>
-#include <language/command.h>
-#include <language/lexer/lexer.h>
+#include "data/case.h"
+#include "data/procedure.h"
+#include "data/transformations.h"
+#include "language/command.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/message.h"