.TP
.BI "\-p, \-\-parameters " tag
Selects a key containing parameter values to copy. Not all
-key-generation algorithms allow the use of shared parameters.
+key-generation algorithms allow the use of shared parameters. A new key
+also inherits attributes from its parameter key.
.TP
.BI "\-e, \-\-expire " expire
The expiry date for the generated key. This may be the string