Clarify that adding or removing a listener is not idempotent.
PR-URL: https://github.com/joyent/node/pull/8911
Signed-off-by: Timothy J Fontaine <tjfontaine@gmail.com>
Cherry-picked-from: 48536394c9
Clarify that adding or removing a listener is not idempotent.
PR-URL: https://github.com/joyent/node/pull/8911
Signed-off-by: Timothy J Fontaine <tjfontaine@gmail.com>
Cherry-picked-from: 48536394c9