[plt-scheme] The missing drawing context

Robby Findler wrote:
> The pasteboard has to be in an editor-canvas to have a dc, I believe.
> In general, there are multiple possible dc classes that have different
> font sizing information (eg, canvas-dc% that draws on the screen and
> post-script-dc% that prints).

The reason I put the pasteboard in an editor-snip was to make
it displayable in the DrScheme REPL. Since a user program
can't get to DrScheme's editor canvas, I am a little unsure
on how to achive what I want.

The over all goal is to implement something like:

http://reference.wolfram.com/mathematica/ref/Column.html
(and http://reference.wolfram.com/mathematica/guide/GridsAndTables.html)

/Jens Axel