module Cont_state:sig..end
typet =Pre_sexp.Cont_state.t=
| | | Parsing_whitespace | 
| | | Parsing_atom | 
| | | Parsing_list | 
| | | Parsing_sexp_comment | 
| | | Parsing_block_comment | 
val to_string : t -> stringto_string cont_state converts state of parser continuation
        cont_state to a string.