-Each subcommand can be prefixed with one or more option characters. An
-asterisk (@samp{*}) is used to indicate the default subcommand; the
-keyword used for the default subcommand can be omitted in the PSPP
-syntax file. A plus sign (@samp{+}) is used to indicate that a
-subcommand can appear more than once; if it is not present then that
-subcommand can appear no more than once.
-A carat sign (@samp{^}) is used to indicate that a subcommand must appear
-at least once.
+A subcommand that begins with an asterisk (@samp{*}) is the default
+subcommand. The keyword used for the default subcommand can be omitted
+in the PSPP syntax file.