-undefined is C<< <ev.h> >> in F<event.h> and C<"ev.h"> in F<ev.c>. This
-can be used to virtually rename the F<ev.h> header file in case of conflicts.
+undefined is C<"ev.h"> in F<event.h> and F<ev.c>. This can be used to
+virtually rename the F<ev.h> header file in case of conflicts.