[plt-scheme] Re: servlets and stuff

On Oct 13, 2005, at 6:39 PM, Paul A. Steckler wrote:

>> Maybe DrScheme can return in addition to an error
>> message when a program fails, a list of what its other
>> languages thought of the input program.
>
> While that may be overkill, I still think it would
> be a good idea to show the current language level
> somewhere in the DrS frame, not just at the
> beginning of the REPL.
>
> Language levels are modes, and modes should be
> deprecated.  But if you've gotta have 'em, make
> 'em obvious.

In what sense are they modes?