On Mon, Mar 7, 2011 at 5:16 PM, Chris Muller <asqueaker at gmail.com> wrote:
>> super/subclass. A MessageSet does less things than a Browser.
>
> Hmm, no it doesn't.  It sounds like you're thinking of a "Browser" as
> a PackagePane browser.  In fact, a PackagePaneBrowser is-a Browser
> just as a HierarchyBrowser is-a Browser just as a MessageSet is-a
> Browser.  Hope that helps.

About this, I realize now you were referring to the actual
implementation, not the semantics.  Yes, Browser seems to have too
much in it.

 - Chris