symbol-name
.”
4. n. (of a pathname)
a. the name component, returned by pathname-name
.
b. the entire namestring, returned by namestring
.
5. n. (of a character)
a string that names the character
and that has length greater than one.
(All non-graphic characters are required to have names
unless they have some implementation-defined attribute
which is not null. Whether or not other characters
have names is implementation-dependent.)
#\Newline
.
"NIL"
in the COMMON-LISP
package,
the empty list,
the boolean (or generalized boolean) representing false,
and the name of the empty type.
go
, throw
,
and return-from
cause a non-local exit.”
nil
. Technically, any object which is not nil
can be
referred to as true, but that would tend to imply a unique view
of the object as a generalized boolean.
Referring to such an object as non-nil avoids this implication.
null
(the only such object being nil
).
number
.
0
through 9,
or being some other graphic character
defined by the implementation to be numeric.