Several of these are available at least on MacOS. Specifically, the emblems
(little locks on locked files, script icons on script files, etc.), and at
least basic attribute-based searching (file labels).

I like the notions of embedded mini-apps for viewing including the "view as
sound" idea, which sounds darned cool.

But I don't see anything on this list that doesn't sound like it could be done
in Squeak for sure.

--- Bruce ONeel <beoneel at mindspring.com> wrote:
> (sorry of the cut and paste screws this up...)
> 
> I think squeak has the first 4.  Probably some of the others
> just I'm not familiar with them...
> 
> http://weblog.mercurycenter.com/ejournal/stories/storyReader$685
> 
> 
> These are some of the innovative features in Nautilus that are not in
> Mac or Windows: 
> *	Zooming in every view, from 25% up to 400% 
> *	Icons can be arbitrary sizes and are individually resizable 
> *	Icons based on document content, including embedded text for text
> files 
> *	Emblems, which are little satellite images expressing file attributes,
> including user-assigned attributes 
> *	Sound previewing by hovering over the icon 
> *	Extensible, componentized viewers (ie, you can read a text or other
> type of file right in Nautilus without launching a separate app) 
> *	Extensible, componentized directory views (a little hard to explain,
> offering type-specific views that put the functionality at the user's
> fingertips - the best current example in Nautilus is the "view as music"
> feature) 
> *	Annotations, where users can write and retrieve notes about any file
> or directory 
> *	Attribute-based searching - ie, show me all the files I marked
> important 
> *	"Text services" where selected text is used to parameterize a web
> request 
> *	Drag and drop customization, including a cute way to specify gradient
> washes simply by dragging a color near an edge multiple user levels
> where the software reconfigures itself to support users with different
> appetites for complexity
> 


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