the variable @code{byte-compile-warnings}. See its documentation
string for details.
+@vindex byte-compile-error-on-warn
+ Sometimes you may wish the byte-compiler warnings to be reported
+using @code{error}. If so, set @code{byte-compile-error-on-warn} to a
+non-nil value.
+
@node Byte-Code Objects
@section Byte-Code Function Objects
@cindex compiled function
For boolean-valued variables that are safe, use @code{booleanp} as the
property value.
+@cindex autoload cookie, and safe values of variable
When defining a user option using @code{defcustom}, you can set its
@code{safe-local-variable} property by adding the arguments
@code{:safe @var{function}} to @code{defcustom} (@pxref{Variable
-Definitions}).
+Definitions}). However, a safety predicate defined using @code{:safe}
+will only be known once the byte-compiler is loaded. As an
+alternative, you can use the autoload cookie (@pxref{Autoload}) to
+assign the option its safety predicate, like this:
+
+@lisp
+;;;###autoload (put '@var{var} 'safe-local-variable '@var{pred})
+@end lisp
+
+@noindent
+The safe value definitions specified with @code{autoload} are copied
+into the @file{loaddefs.el} file, and are known to Emacs since the
+beginning of a session.
@defopt safe-local-variable-values
This variable provides another way to mark some variable values as