- * This file is built by embed.pl from data in embed.pl, pp.sym, intrpvar.h,
- * perlvars.h and thrdvar.h. Any changes made here will be lost!
+ * This file is built by regen/embed.pl from data in embed.fnc,
+ * regen/embed.pl, regen/opcodes, intrpvar.h and perlvars.h.
+ * Any changes made here will be lost!
+ *
+ * Edit those files and run 'make regen_headers' to effect changes.
+ *
+ *
+ * Up to the threshold of the door there mounted a flight of twenty-seven
+ * broad stairs, hewn by some unknown art of the same black stone. This
+ * was the only entrance to the tower; ...
+ *
+ * [p.577 of _The Lord of the Rings_, III/x: "The Voice of Saruman"]
+ *