More man page fixes. Spelling, grammar, some typos. Lots of double-word

occurrences squashed as well.

src/lib/libc/string/string.3

@@ -31,7 +31,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: string.3,v 1.2 1996/08/19 08:34:18 tholo Exp $
+.\"	$OpenBSD: string.3,v 1.3 1998/09/06 22:23:18 aaron Exp $
 .\"
 .Dd April 19, 1991
 .Dt STRING 3
@@ -102,7 +102,7 @@
 .Fn rindex "const char *s" "int c"
 .Sh DESCRIPTION
 The string functions
-functions manipulate strings terminated by a
+manipulate strings terminated by a
 null byte.
 .Pp
 See the specific manual pages for more information.