James M Snell ff350f7169 doc: clarify add/removeListener semantics
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
2015-01-10 22:28:16 +01:00
..
2015-01-08 23:21:16 +01:00