> After you click RMB on an icon (or name in text lister mode) to open a context menu,
> the type of file is shown as a title of this menu.

Ha! Yep I see it now. Never occured to me that it will be there but I see your point. It's visible enough (it's even boldface but I guess I was blind!). I was thinking more for the completness sake to have all information you can gather grouped all together in the Information window, but I guess it's not that important in this case -- the decision is yours