[5.0] Error Callstack [a11y] (#41958)

Author: brianteeman

layouts/joomla/error/backtrace.php

@@ -21,50 +21,48 @@
 
 $class = $displayData['class'] ?? 'table table-striped table-bordered';
 ?>
-<table class="<?php echo $class ?>">
-    <tr>
-        <td colspan="3">
-            <strong>Call stack</strong>
-        </td>
-    </tr>
+<h2 id="caption">Call Stack</h2>
+<table class="<?php echo $class ?>" aria-describedby="caption">
+    <thead>
+        <tr>
+            <th scope="col">
+                <strong>#</strong>
+            </th>
+            <th scope="col">
+                <strong>Function</strong>
+            </th>
+            <th scope="col">
+                <strong>Location</strong>
+            </th>
+        </tr>
+    </thead>
+    <tbody>
+        <?php foreach ($backtraceList as $k => $backtrace) : ?>
+            <tr>
+                <td>
+                    <?php echo $k + 1; ?>
+                </td>
 
-    <tr>
-        <td>
-            <strong>#</strong>
-        </td>
-        <td>
-            <strong>Function</strong>
-        </td>
-        <td>
-            <strong>Location</strong>
-        </td>
-    </tr>
+                <?php if (isset($backtrace['class'])) : ?>
+                <td>
+                    <?php echo $backtrace['class'] . $backtrace['type'] . $backtrace['function'] . '()'; ?>
+                </td>
+                <?php else : ?>
+                <td>
+                    <?php echo $backtrace['function'] . '()'; ?>
+                </td>
+                <?php endif; ?>
 
-    <?php foreach ($backtraceList as $k => $backtrace) : ?>
-    <tr>
-        <td>
-            <?php echo $k + 1; ?>
-        </td>
-
-        <?php if (isset($backtrace['class'])) : ?>
-        <td>
-            <?php echo $backtrace['class'] . $backtrace['type'] . $backtrace['function'] . '()'; ?>
-        </td>
-        <?php else : ?>
-        <td>
-            <?php echo $backtrace['function'] . '()'; ?>
-        </td>
-        <?php endif; ?>
-
-        <?php if (isset($backtrace['file'])) : ?>
-        <td>
-            <?php echo HTMLHelper::_('debug.xdebuglink', $backtrace['file'], $backtrace['line']); ?>
-        </td>
-        <?php else : ?>
-        <td>
-            &#160;
-        </td>
-        <?php endif; ?>
-    </tr>
-    <?php endforeach; ?>
+                <?php if (isset($backtrace['file'])) : ?>
+                <td>
+                    <?php echo HTMLHelper::_('debug.xdebuglink', $backtrace['file'], $backtrace['line']); ?>
+                </td>
+                <?php else : ?>
+                <td>
+                    &#160;
+                </td>
+                <?php endif; ?>
+            </tr>
+        <?php endforeach; ?>
+    </tbody>
 </table>