(Setf Extensions): Remove `apply' setf since it seems to be disabled.
(Customizing Setf): Move contents to "Obsolete Setf Customization".
(Modify Macros, Multiple Values): Remove mentions of obsolete feature.
+ (Obsolete Setf Customization): Don't mention `apply' setf.
2012-10-28 Glenn Morris <rgm@gnu.org>
an @code{&environment} argument to the macro or setf-method
that called @code{get-setf-method}.
-See also the source code for the setf-methods for @code{apply}
-and @code{substring}, each of which works by calling
-@code{get-setf-method} on a simpler case, then massaging
-the result in various ways.
+See also the source code for the setf-method for
+@c Also @code{apply}, but that is commented out.
+@code{substring}, which works by calling @code{get-setf-method} on a
+simpler case, then massaging the result.
@end defun
Modern Common Lisp defines a second, independent way to specify