donttest examples

[sckott]

This concerns packages using \donttest in their examples. Such code
will be run by example() and hence should be runnable ... yours is
not. One issue showing is that the examples use undeclared packages: this
is showing on the CRAN check pages for packages ... enigma

Please submit an update to CRAN (using the webform, and following the
CRAN policies at http://cran.r-project.org/web/packages/policies.html).