This setting controls what dictionaries to create for spell checking.
The default (Create all) is to create all needed dictionaries.
However, this can consume significant time and memory for some
large-data profiles, so to conserve system resources, only the
multi-word-occurrence dictionary may be created (Create multi-word
only). This may reduce spell-check suggestions at search time
however. To further conserve system resources, no dictionaries at all
may be created (None). This will disable spell checking at
search time.
