Index: themes/seven/template.php
===================================================================
RCS file: /cvs/drupal/drupal/themes/seven/template.php,v
retrieving revision 1.24
diff -u -p -r1.24 template.php
--- themes/seven/template.php	5 Oct 2010 19:59:10 -0000	1.24
+++ themes/seven/template.php	10 Oct 2010 10:47:36 -0000
@@ -100,6 +100,9 @@ function seven_css_alter(&$css) {
   if (isset($css['misc/vertical-tabs.css'])) {
     $css['misc/vertical-tabs.css']['data'] = drupal_get_path('theme', 'seven') . '/vertical-tabs.css';
   }
+  if (isset($css['misc/vertical-tabs-rtl.css'])) {
+    $css['misc/vertical-tabs-rtl.css']['data'] = drupal_get_path('theme', 'seven') . '/vertical-tabs-rtl.css';
+  }
   // Use Seven's jQuery UI theme style instead of the default one.
   if (isset($css['misc/ui/jquery.ui.theme.css'])) {
     $css['misc/ui/jquery.ui.theme.css']['data'] = drupal_get_path('theme', 'seven') . '/jquery.ui.theme.css';
Index: themes/seven/vertical-tabs.css
===================================================================
RCS file: /cvs/drupal/drupal/themes/seven/vertical-tabs.css,v
retrieving revision 1.9
diff -u -p -r1.9 vertical-tabs.css
--- themes/seven/vertical-tabs.css	6 Oct 2010 13:42:18 -0000	1.9
+++ themes/seven/vertical-tabs.css	10 Oct 2010 10:47:36 -0000
@@ -4,7 +4,7 @@
  * Override of misc/vertical-tabs.css.
  */
 div.vertical-tabs {
-  background: #fff url(images/fc.png) repeat-y 0 0;
+  background: #fff url(images/fc.png) repeat-y 0 0; /* LTR */
   border: 1px solid #ccc;
   margin: 10px 0;
   position: relative;
@@ -16,10 +16,10 @@ div.vertical-tabs fieldset {
 }
 div.vertical-tabs .vertical-tabs-list {
   border-bottom: 1px solid #ccc;
-  float: left;
+  float: left; /* LTR */
   font-size: 1em;
   line-height: 1;
-  margin: 0 -100% -1px 0;
+  margin: 0 -100% -1px 0; /* LTR */
   padding: 0;
   width: 240px;
 }
@@ -55,7 +55,7 @@ div.vertical-tabs ul li.selected a:hover
 div.vertical-tabs ul li.selected a:focus,
 div.vertical-tabs ul li.selected a:active {
   background: #fff;
-  border-right-color: #fff;
+  border-right-color: #fff; /* LTR */
   border-top: 1px solid #ccc;
   outline: 0;
 }
@@ -64,8 +64,8 @@ div.vertical-tabs ul li.first.selected a
   border-top: 0;
 }
 div.vertical-tabs .vertical-tabs-panes {
-  margin: 0 0 0 265px;
-  padding: 10px 15px 10px 0;
+  margin: 0 0 0 265px; /* LTR */
+  padding: 10px 15px 10px 0; /* LTR */
 }
 div.vertical-tabs .vertical-tabs-panes legend {
   display: none;
@@ -73,3 +73,19 @@ div.vertical-tabs .vertical-tabs-panes l
 .vertical-tabs-pane .fieldset-wrapper > div:first-child {
   padding-top: 5px;
 }
+
+/**
+ * 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 */
+}