+ @echo Generated $< for target $@.
+
+#
+# Also clean hand-compiled stuff in cwd
+#
+local-clean: local-auto-gen-clean
+
+# Compose string from two parts: must not remove myself.
+auto-gen-tag=Generated
+auto-gen-tag+= automatically by
+
+local-auto-gen-clean:
+ rm -f `grep -l '$(auto-gen-tag)' *`
+ rm -f *.dvi *.png
+