Returns a numeric identification of this release of S-PLUS.
USAGE:
version.number(include.revision = F)
OPTIONAL ARGUMENTS:
include.revision
logical flag; if
TRUE and
version$status.rev is or can be coerced to numeric
(i.e., it is not, say,
"2a"), then that component will be used in the 1/100ths
place of the return value.
VALUE:
numeric identifying this release of S-PLUS, computed as
version$major + version$minor/10
plus the value (if any) associated with
include.revision
.