Index: misc/vertical-tabs-rtl.css
===================================================================
RCS file: /cvs/drupal/drupal/misc/vertical-tabs-rtl.css,v
retrieving revision 1.2
diff -u -p -F '^f' -r1.2 vertical-tabs-rtl.css
--- misc/vertical-tabs-rtl.css	19 May 2009 06:03:25 -0000	1.2
+++ misc/vertical-tabs-rtl.css	5 Oct 2010 07:37:36 -0000
@@ -1,15 +1,15 @@
 /* $Id: vertical-tabs-rtl.css,v 1.2 2009/05/19 06:03:25 dries Exp $ */
 
-.vertical-tabs {
+div.vertical-tabs {
   margin-left: 0;
   margin-right: 15em;
 }
-.vertical-tabs-list {
+.vertical-tabs ul.vertical-tabs-list {
+  margin-left: 0;
   margin-right: -15em;
-  right: 0;
   float: right;
 }
-.vertical-tabs-list li.selected {
+.vertical-tabs ul.vertical-tabs-list li.selected {
   border-left-width: 0;
   border-right-width: 1px;
 }
Index: misc/vertical-tabs.css
===================================================================
RCS file: /cvs/drupal/drupal/misc/vertical-tabs.css,v
retrieving revision 1.7
diff -u -p -F '^f' -r1.7 vertical-tabs.css
--- misc/vertical-tabs.css	30 Mar 2010 07:05:58 -0000	1.7
+++ misc/vertical-tabs.css	5 Oct 2010 07:37:36 -0000
@@ -1,70 +1,78 @@
 /* $Id: vertical-tabs.css,v 1.7 2010/03/30 07:05:58 webchick Exp $ */
 
 div.vertical-tabs {
-  margin: 1em 0 1em 15em;
+  margin: 1em 0 1em 15em; /* RTL */
   border: 1px solid #ccc;
+  position: relative; /* IE6/7 */
 }
-div.vertical-tabs ul.vertical-tabs-list {
+.vertical-tabs ul.vertical-tabs-list {
   width: 15em;
   list-style: none;
   list-style-image: none; /* IE6 */
   border-top: 1px solid #ccc;
   padding: 0;
   position: relative; /* IE6 */
-  margin: -1px -100% -1px 0;
-  left: -15em;
-  float: left;
+  margin: -1px 0 -1px -15em; /* LTR */
+  float: left; /* LTR */
 }
-div.vertical-tabs .vertical-tabs-panes fieldset.vertical-tabs-pane {
+.vertical-tabs fieldset.vertical-tabs-pane {
   margin: 0 !important;
   padding: 0 1em;
   border: 0;
 }
-div.vertical-tabs .vertical-tabs-panes fieldset.vertical-tabs-pane legend {
+.vertical-tabs legend {
   display: none;
 }
 
 /* Layout of each tab */
-div.vertical-tabs ul.vertical-tabs-list li {
+.vertical-tabs ul.vertical-tabs-list li {
   background: #eee;
   border: 1px solid #ccc;
   border-top: 0;
   padding: 0;
   margin: 0;
-  height: 1%;
+  min-width: 0; /* IE7 */
 }
-div.vertical-tabs ul.vertical-tabs-list li a {
+.vertical-tabs ul.vertical-tabs-list li a {
   display: block;
   text-decoration: none;
   padding: 0.5em 0.6em;
-  line-height: 1.3em;
-  height: 1%;
 }
-div.vertical-tabs ul.vertical-tabs-list li a:focus strong,
-div.vertical-tabs ul.vertical-tabs-list li a:active strong,
-div.vertical-tabs ul.vertical-tabs-list li a:hover strong {
+.vertical-tabs ul.vertical-tabs-list li a:focus strong,
+.vertical-tabs ul.vertical-tabs-list li a:active strong,
+.vertical-tabs ul.vertical-tabs-list li a:hover strong {
   text-decoration: underline;
 }
-div.vertical-tabs ul.vertical-tabs-list li a:focus,
-div.vertical-tabs ul.vertical-tabs-list li a:active {
-  position: relative;
-  z-index: 5;
-}
-div.vertical-tabs ul.vertical-tabs-list li a:hover {
+.vertical-tabs ul.vertical-tabs-list li a:hover {
   outline: 1px dotted;
 }
-div.vertical-tabs ul.vertical-tabs-list li.selected {
+.vertical-tabs ul.vertical-tabs-list li.selected {
   background-color: #fff;
-  border-right-width: 0;
-  position: relative;
+  border-right-width: 0; /* LTR */
 }
-div.vertical-tabs ul.vertical-tabs-list span.selected strong {
+.vertical-tabs ul.vertical-tabs-list span.selected strong {
   color: #000;
 }
-div.vertical-tabs ul.vertical-tabs-list .summary {
+.vertical-tabs ul.vertical-tabs-list .summary {
   display: block;
 }
-div.vertical-tabs ul.vertical-tabs ul.vertical-tabs-list .summary {
+.vertical-tabs ul.vertical-tabs ul.vertical-tabs-list .summary {
   line-height: normal;
   margin-bottom: 0;
 }
+
+/**
+ * Prevent text inputs from overflowing when container is too narrow. "width" is
+ * applied to override hardcoded cols or size attributes and used in conjunction
+ * with "box-sizing" to prevent box model issues from occurring in most browsers.
+*/
+.vertical-tabs .form-type-textfield input {
+  width: 100%;
+  -moz-box-sizing: border-box;
+  -webkit-box-sizing: border-box;
+  box-sizing: border-box;
+}
+* html .vertical-tabs .form-type-textfield,
+* html .vertical-tabs .form-textarea-wrapper {
+  width: 95%; /* IE6 */
+}