set-filename in drscheme:unit:definitions-text

Set the path name for the file to be saved from or reloaded into this editor. This method is also called when the filename changes through any method (such as load-file).

• (send a-drscheme:unit:definitions-text set-filename filename temporary?) -> void
     filename : path or #f
   temporary? = #f : boolean

  Calls update-save-message.