with the distribution.

THIS SOFTWARE IS PROVIDED BY RICHARD CROWLEY ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL RICHARD CROWLEY OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

function addForgettableCallback(event,callback,listenerId){listenerId=listenerId||callback;var safeCallback=protectedCallback(callback);event.on(function(){var discard=false;oboeApi.forget=function(){discard=true;};apply(arguments,safeCallback);delete oboeApi.forget;if(discard){event.un(listenerId);}},listenerId);return oboeApi;}