+#include <language/command.h>
+#include <language/data-io/file-handle.h>
+#include <language/lexer/lexer.h>
+#include <language/lexer/variable-parser.h>
+#include <libpspp/alloc.h>
+#include <libpspp/assertion.h>
+#include <libpspp/compiler.h>
+#include <libpspp/hash.h>
+#include <libpspp/message.h>
+#include <libpspp/message.h>
+#include <libpspp/misc.h>
+#include <libpspp/str.h>