copying.
@end defopt
- The following two variables, when non-@code{nil}, cause the second
+ The following three variables, when non-@code{nil}, cause the second
method to be used in certain special cases. They have no effect on the
treatment of files that don't fall into the special cases.
@table @asis
@item @code{nil}
Make numbered backups if the visited file already has numbered backups;
-otherwise, do not.
+otherwise, do not. This is the default.
@item @code{never}
Do not make numbered backups.
@end group
@end example
-The standard definition of this function is as follows:
+Here is a simplified version of the standard definition of this
+function:
@example
@group