Tile.Image.cloneMarkup renamed Tile.Image.createBackBuffer

lib/OpenLayers/Tile/Image.js

@@ -320,21 +320,23 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
     },
 
     /**
-     * Method: cloneMarkup
-     * Clone this tile's markup.
+     * Method: createBackBuffer
+     * Create a backbuffer for this tile. A backbuffer isn't exactly a clone
+     * of the tile's markup, because we want to avoid the reloading of the
+     * image. So we clone the frame, and steal the image from the tile.
      *
      * Returns:
      * {DOMElement} The markup, or undefined if the tile has no image
      * or if it's currently loading.
      */
-    cloneMarkup: function() {
+    createBackBuffer: function() {
         if(!this.imgDiv || this.isLoading) {
             return;
         }
-        var clone = this.frame.cloneNode(false);
-        clone.appendChild(this.imgDiv);
+        var backBuffer = this.frame.cloneNode(false);
+        backBuffer.appendChild(this.imgDiv);
         this.imgDiv = null;
-        return clone;
+        return backBuffer;
     },
 
     /**