From 2ebbfdf40c1741e9733182c9997b0d4dc003076e Mon Sep 17 00:00:00 2001
From: mourner <agafonkin@gmail.com>
Date: Mon, 13 Feb 2012 13:12:36 +0200
Subject: [PATCH] Fixed attributions disappearing, closed #405

---
 src/control/Control.Attribution.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/control/Control.Attribution.js b/src/control/Control.Attribution.js
index d0f66e94..c56e5ed2 100644
--- a/src/control/Control.Attribution.js
+++ b/src/control/Control.Attribution.js
@@ -3,7 +3,7 @@ L.Control.Attribution = L.Class.extend({
 		this._prefix = prefix || 'Powered by <a href="http://leaflet.cloudmade.com">Leaflet</a>';
 		this._attributions = {};
 	},
-	
+
 	onAdd: function (map) {
 		this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
 		L.DomEvent.disableClickPropagation(this._container);
@@ -28,7 +28,10 @@ L.Control.Attribution = L.Class.extend({
 		if (!text) {
 			return;
 		}
-		this._attributions[text] = true;
+		if (!this._attributions[text]) {
+			this._attributions[text] = 0;
+		}
+		this._attributions[text]++;
 		this._update();
 	},
 
@@ -36,7 +39,7 @@ L.Control.Attribution = L.Class.extend({
 		if (!text) {
 			return;
 		}
-		delete this._attributions[text];
+		this._attributions[text]--;
 		this._update();
 	},