Sets one or more of four toggling flags, adding them to any flags
currently set. Either specify one or more of the following strings, or
-specify a hexidecimal number that combines the indicated values. To return
+specify a hexadecimal number that combines the indicated values. To return
all four flags to their defaults, provide a value of C<0> (zero). To set
more than one flag at once using the strings, connect them with plus signs
(example: C<NOTGS+ADMIN+CPW>). To remove all the current flag settings