--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2016, Olivier MATZ <zer0@droids-corp.org>
+ */
+
+/**
+ * This node matches one string in the vector if it is only composed of
+ * spaces, as interpreted by isspace().
+ */
+
+#ifndef ECOLI_NODE_SPACE_
+#define ECOLI_NODE_SPACE_
+
+/* no API for now, since there is no specific configuration for this node */
+
+#endif