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Stream processing Predicate error_told/0 Reset current error output stream error_told The predicate error_told/0 resets the default error output stream user_error as the current error output stream. If the earlier current error output stream was not a default stream and is not simultaneously the current output stream, it is closed (see close/1). Hints All error messages and warnings of the Prolog system are output on the current error output stream. This stream can always be addressed via the built-in alias current_error as well. Standard This predicate is not required by the ISO standard for Prolog. Therefore, it is not available in ISO compatibility mode (see Prolog flag iso). See also error tell/1, error telling/1, current error/2, set error/1, close/1/2 Reference Manual 232 IF/Prolog V5.3
