+# flow.txt is checked into git since Graph::Easy isn't in many distros
+Documentation/flow.txt : Documentation/flow.ge
+ (sed -ne '1,/^$$/p' <Documentation/flow.ge; \
+ $(GRAPH_EASY) Documentation/flow.ge || \
+ cat Documentation/flow.txt; \
+ echo; \
+ sed -ne '/^# Copyright/,$$p' <Documentation/flow.ge \
+ ) >$@+
+ touch -r Documentation/flow.ge $@+
+ mv $@+ $@
+