This allows you to rapidly find documentation the command you are interested in.
search_for string case_flag regexp_flag
enter_folds enter_virtual_folds forwards_flag number_matches confirm_flag.
search_for string newstring case_flag regexp_flag
enter_folds enter_virtual_folds forwards_flag number_matches confirm_flag.
search_again.
search_bracket.
search_def_case.
search_def_ere.
search_def_forwards.