Returns an external format spec constructed by adding information not supplied in ef-spec1 from ef-spec2 , subject to the note below. The arguments are either symbols or lists.
If
ef-spec1
is
:default
, return
ef-spec2
.
If
ef-spec1
is a list beginning with
:default
and
ef-spec2
is a symbol, return
(
ef-spec2
. (cdr
ef-spec1
))
If
ef-spec1
is a list beginning with
:default
and
ef-spec2
is a list, return
((car
ef-spec2
) .
parameters
)
where
parameters
is a destructuring lambda list containing the parameter descriptions of
ef-spec1
and any additional parameter descriptions from
ef-spec2
.
If
ef-spec1
is a symbol other than
:default
, or a list beginning with a symbol other than
:default
, and
ef-spec2
is a symbol, return
ef-spec1
.
If
ef-spec1
is a symbol other than
:default
, and
ef-spec2
is a list, return
(
ef-spec1
. (cdr
ef-spec2
))
.
If
ef-spec1
is a list beginning with a symbol other than
:default
, and
ef-spec2
is a list, return
((car
ef-spec1
) .
parameters
)
where
parameters
is a destructuring lambda list containing the parameter descriptions of
ef-spec1
and any additional parameter descriptions from
ef-spec2
.
Note:
on Windows, the parameters
:id
and
:handle-error-out
of the
win32:code-page
external format are not merged.