[Rd] minor typo in duplicated.Rd (lemgth != length)

[Duncan Murdoch]

Sean O'Riordain wrote:
> sean at sean7:~/R/RSVN/R/trunk/src/library$ svn diff
> Index: base/man/duplicated.Rd
> ===================================================================
> --- base/man/duplicated.Rd	(revision 47231)
> +++ base/man/duplicated.Rd	(working copy)
> @@ -64,7 +64,7 @@
>    not be efficient for a very large set.
>  }
>  \value{
> -  For a vector input, a logical vector of the same lemgth as
> +  For a vector input, a logical vector of the same length as
>    \code{x}.  For a data frame, a logical vector with one element for
>    each row.  For a matrix or array, a logical array with the same
>    dimensions and dimnames.
>   

Thanks, I'll fix it.

Duncan Murdoch