#541612 by mgifford: Added meaningful alt attribute to sortable table header links.

includes/theme.inc

@@ -1756,10 +1756,10 @@ function theme_table_select_header_cell() {
  */
 function theme_tablesort_indicator($variables) {
   if ($variables['style'] == "asc") {
-    return theme('image', array('path' => 'misc/arrow-asc.png', 'alt' => t('sort icon'), 'title' => t('sort ascending')));
+    return theme('image', array('path' => 'misc/arrow-asc.png', 'alt' => t('sort ascending'), 'title' => t('sort ascending')));
   }
   else {
-    return theme('image', array('path' => 'misc/arrow-desc.png', 'alt' => t('sort icon'), 'title' => t('sort descending')));
+    return theme('image', array('path' => 'misc/arrow-desc.png', 'alt' => t('sort descending'), 'title' => t('sort descending')));
   }
 }
 

themes/seven/template.php

@@ -63,10 +63,10 @@ function seven_tablesort_indicator($variables) {
   $style = $variables['style'];
   $theme_path = drupal_get_path('theme', 'seven');
   if ($style == "asc") {
-    return theme('image', array('path' => $theme_path . '/images/arrow-asc.png', 'alt' => t('sort icon'), 'title' => t('sort ascending')));
+    return theme('image', array('path' => $theme_path . '/images/arrow-asc.png', 'alt' => t('sort ascending'), 'title' => t('sort ascending')));
   }
   else {
-    return theme('image', array('path' => $theme_path . '/images/arrow-desc.png', 'alt' => t('sort icon'), 'title' => t('sort descending')));
+    return theme('image', array('path' => $theme_path . '/images/arrow-desc.png', 'alt' => t('sort descending'), 'title' => t('sort descending')));
   }
 }