Merge pull request #14083 from Mugen87/dev7

Docs: Added missing notes to ImageLoader

docs/api/loaders/ImageLoader.html

@@ -12,9 +12,9 @@
 
 		<p class="desc">
 			A loader for loading an [page:Image].
-
 			This uses the [page:FileLoader] internally for loading files, and is used internally by the
-			[page:CubeTextureLoader], [page:ObjectLoader] and [page:TextureLoader].
+			[page:CubeTextureLoader], [page:ObjectLoader] and [page:TextureLoader].<br/>
+			Unlike [page:FileLoader], [name] does not avoid multiple concurrent requests to the same URL.
 		</p>
 
 		<h2>Example</h2>
@@ -88,7 +88,7 @@
 		[page:String url] — the path or URL to the file. This can also be a
 			[link:https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs Data URI].<br />
 		[page:Function onLoad] — Will be called when load completes. The argument will be the loaded [page:Image image].<br />
-		[page:Function onProgress] — Will be called while load progresses. The argument will be the progress event.<br />
+		[page:Function onProgress] — This callback function is currently not supported.<br />
 		[page:Function onError] — Will be called when load errors.<br />
 		</p>
 		<p>