Function: actype:create
actype:create is a for defact, defined in hact.el.
Signature
(actype:create TYPE PARAMS DOC &rest DEFAULT-ACTION)
Documentation
Create Hyperbole action TYPE (unquoted symbol) with PARAMS, described by DOC.
The type uses PARAMS to perform DEFAULT-ACTION (list of the rest of the
arguments). A call to this function is syntactically the same as for
defun, but a doc string is required.
Return symbol created when successful, else nil.