[1.1RC1] JsonStore's proxy config - doc bug or source bug?

[mystix]

the current docs for JsonStore's proxy config method says

proxy : Ext.data.DataProxy
The Proxy object which provides access to a data object.

but the source code says

Ext.data.JsonStore = function(c){
  Ext.data.JsonStore.superclass.constructor.call(this, Ext.apply(c, {
    proxy: !c.data ? new Ext.data.HttpProxy({url: c.url}) : undefined, // <== this line replaces any configured proxy with a HttpProxy if there is no inline data, and wipes out the configured proxy otherwise
    reader: new Ext.data.JsonReader(c, c.fields)
  }));
};

are the docs wrong or is the source wrong?

[jack.slocum]

It's an inherited config that isn't valid in JsonStore.

[Wolfgang]

Moved to its own thread because it is related to 1.1 and not to 1.1RC1:
http://extjs.com/forum/showthread.php?p=56218#post56218