| evaluate | Evaluate input and return all details of evaluation | 
| flush_console | An emulation of 'flush.console()' in 'evaluate()' | 
| local_reproducible_output | Control common output options | 
| new_output_handler | Custom output handlers | 
| output_handler | Custom output handlers | 
| parse_all | Parse, retaining comments | 
| replay | Replay a list of evaluated results | 
| trim_intermediate_plots | Trim away intermediate plots |