cleanup-transparent-io in drscheme:rep:text%

Resets the little I/O box so that the next I/O goes into a newly created box in the repl.

This method is called when a value is printed to the repl or a prompt is inserted into the repl.

This method expects to be called on DrScheme's main eventspace thread.

• (send a-drscheme:rep:text cleanup-transparent-io) -> void