[plt-scheme] Screen capture on Mac OS X

It might be worth adding that these keys can be enabled/disabled in  
the "Keyboard & Mouse" preference pane.

-- Dave

> David Van Horn wrote:
>> How can I capture a DrScheme screen shot under Mac OS X?
> The standard OS X keybindinds are as follows:
>
> Command-Shift-3: Take a screenshot of the screen, and save it as a  
> file on the desktop
> Command-Shift-4, then select an area: Take a screenshot of an area  
> and save it as a file on the desktop
> Command-Shift-4, then space, then click a window: Take a screenshot  
> of a window and save it as a file on the desktop
> Command-Control-Shift-3: Take a screenshot of the screen, and save  
> it to the clipboard
> Command-Control-Shift-4, then select an area: Take a screenshot of  
> an area and save it to the clipboard
> Command-Control-Shift-4, then space, then click a window: Take a  
> screenshot of a window and save it to the clipboard
>
> In Leopard, the following keys can be held down while selecting an  
> area (via Command-Shift-4 or Command-Control-Shift-4):
>
> Space, to lock the size of the selected region and instead move it  
> when the mouse moves
> Shift, to resize only one edge of the selected region
> Option, to resize the selected region with its center as the anchor  
> point
>
>
> -- 
> Jens Axel Søgaard