search-default
Specifies a default to be established for the SEARCH command.
Valid keywords (which correspond to SEARCH command qualifiers)
are as follows:
ALL Subsequent SEARCH commands are treated as SEARCH/ALL,
rather than SEARCH/NEXT.
IDENTIFIER Subsequent SEARCH commands are treated as
SEARCH/IDENTIFIER, rather than SEARCH/STRING.
NEXT (Default) Subsequent SEARCH commands are treated as
SEARCH/NEXT, rather than SEARCH/ALL.
STRING (Default) Subsequent SEARCH commands are treated as
SEARCH/STRING, rather than SEARCH/IDENTIFIER.