Long lines.

src/libstd/getopts.rs

@@ -427,7 +427,11 @@ fn opt_strs(+mm: Matches, nm: &str) -> ~[~str] {
 fn opt_maybe_str(+mm: Matches, nm: &str) -> Option<~str> {
     let vals = opt_vals(mm, nm);
     if vec::len::<Optval>(vals) == 0u { return None::<~str>; }
-    return match vals[0] { Val(copy s) => Some::<~str>(s), _ => None::<~str> };
+    return match vals[0] {
+      Val(copy s) =>
+      Some::<~str>(s),
+      _ => None::<~str>
+    };
 }