Index: wp-content/themes/twentyeleven/rtl.css
===================================================================
--- wp-content/themes/twentyeleven/rtl.css	(revision 21392)
+++ wp-content/themes/twentyeleven/rtl.css	(working copy)
@@ -363,6 +363,18 @@
 	padding-right: .5em;
 }
 
+.nav-previous .meta-nav,
+.nav-next .meta-nav {
+	position: absolute !important;
+	clip: rect(1px, 1px, 1px, 1px);
+}
+.nav-previous a[rel=prev]:before {
+	content: '\2192';
+}
+
+.nav-next a[rel=next]:after {
+	content: '\2190';
+}
 
 /* =Widgets
 ----------------------------------------------- */