better doc strings for the mousewheel handler
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@@ -27,12 +27,18 @@ goog.require('goog.events.MouseWheelHandler.EventType');
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ol.handler.MouseWheel = function(map, elt, states) {
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goog.base(this);
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var handler = new goog.events.MouseWheelHandler(elt);
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this.registerDisposable(handler);
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/**
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* @type {ol.Map}
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*/
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this.map_ = map;
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/**
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* @param {goog.events.MouseWheelEvent} e
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* @type {Element}
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*/
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this.elt_ = elt;
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var handler = new goog.events.MouseWheelHandler(elt);
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this.registerDisposable(handler);
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goog.events.listen(handler,
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goog.events.MouseWheelHandler.EventType.MOUSEWHEEL,
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