@code{nil}.
@end deffn
-@deffn Command backward-to-indentation arg
+@deffn Command backward-to-indentation &optional arg
@comment !!SourceFile simple.el
This command moves point backward @var{arg} lines and then to the
first nonblank character on that line. It returns @code{nil}.
+If @var{arg} is omitted or @code{nil}, it defaults to 1.
@end deffn
-@deffn Command forward-to-indentation arg
+@deffn Command forward-to-indentation &optional arg
@comment !!SourceFile simple.el
This command moves point forward @var{arg} lines and then to the first
nonblank character on that line. It returns @code{nil}.
+If @var{arg} is omitted or @code{nil}, it defaults to 1.
@end deffn
@node Case Changes