read-from-file

Reads new contents for the editor from a stream. See also File Formats.

• (send an-editor read-from-file stream overwrite-styles?) -> boolean
      stream : editor-stream-in% object
      overwrite-styles? = #t : boolean

  If overwrite-styles? is #f, then each style name in the loaded file that are already in the current style list keep its current styles. Otherwise, existing named styles are overwritten with specifications from the loaded file.