setproxy does authentication as well

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1079428 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/Tasks/splash.html

@@ -76,11 +76,9 @@ whilst waiting for your builds to complete...</p>
 
 The following properties can be used to configure the proxy settings to retrieve
 an image from behind a firewall. However, the settings apply not just to this
-task, but to all following tasks. Therefore they are now mostly deprecated in 
+task, but to all following tasks. Therefore they are now deprecated in 
 preference to the <code>&lt;setproxy&gt;</code> task, that makes it clear to readers of
-the build exactly what is going on. We say mostly as this task's support
-includes proxy authentication, so you may still need to use its
-proxy attributes.
+the build exactly what is going on.
 
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