11 Dec
2007
11 Dec
'07
11:09 a.m.
Implementations of the interface described in this document are encouraged to ensure that the symbol :CDR-4 occurs in the *FEATURES* list when the Lisp environment is configured to behave as described in this document. The CDR-4 tag is already in use - see http://cdr.eurolisp.org/initial.html - nick