=== modified file 'modules/comment/comment.admin.inc'
--- modules/comment/comment.admin.inc	2008-12-06 09:01:58 +0000
+++ modules/comment/comment.admin.inc	2008-12-07 21:42:29 +0000
@@ -269,6 +269,15 @@
 function comment_confirm_delete(&$form_state, $comment) {
   $form = array();
   $form['#comment'] = $comment;
+  // Offer option to block author at the same time.
+  if ($comment->uid > 1) {
+    $form['block'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Also block author %name', array('%name' => $comment->name)),
+      '#access' => user_access('block users') || user_access('administer users'),
+    );
+  }
+
   return confirm_form(
     $form,
     t('Are you sure you want to delete the comment %title?', array('%title' => $comment->subject)),
@@ -283,6 +292,11 @@
  * Process comment_confirm_delete form submissions.
  */
 function comment_confirm_delete_submit($form, &$form_state) {
+  if (!empty($form_state['values']['block'])) {
+    $account = user_load($form['#comment']->uid);
+    user_save($account, array('status' => 0));
+    drupal_set_message(t('User %name has been blocked.', array('%name' => $account->name)));
+  }
   drupal_set_message(t('The comment and all its replies have been deleted.'));
   $comment = $form['#comment'];
   // Delete the comment and its replies.

=== modified file 'modules/node/node.pages.inc'
--- modules/node/node.pages.inc	2008-12-06 09:01:58 +0000
+++ modules/node/node.pages.inc	2008-12-07 21:34:36 +0000
@@ -480,6 +480,19 @@
     '#value' => $node->nid,
   );
 
+  // Offer option to block author at the same time.
+  if ($node->uid > 1) {
+    $form['uid'] = array(
+      '#type' => 'value',
+      '#value' => $node->uid,
+    );
+    $form['block'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Also block author %name', array('%name' => $node->name)),
+      '#access' => user_access('block users') || user_access('administer users'),
+    );
+  }
+
   return confirm_form($form,
     t('Are you sure you want to delete %title?', array('%title' => $node->title)),
     isset($_GET['destination']) ? $_GET['destination'] : 'node/' . $node->nid,
@@ -493,6 +506,12 @@
  * Execute node deletion
  */
 function node_delete_confirm_submit($form, &$form_state) {
+  if (!empty($form_state['values']['block'])) {
+    $account = user_load($form_state['values']['uid']);
+    user_save($account, array('status' => 0));
+    drupal_set_message(t('User %name has been blocked.', array('%name' => $account->name)));
+  }
+
   if ($form_state['values']['confirm']) {
     node_delete($form_state['values']['nid']);
   }

=== modified file 'modules/user/user.module'
--- modules/user/user.module	2008-12-06 09:01:58 +0000
+++ modules/user/user.module	2008-12-07 21:34:39 +0000
@@ -568,24 +568,28 @@
  * Implementation of hook_perm().
  */
 function user_perm() {
-   return array(
-     'administer permissions' =>  array(
-       'title' => t('Administer permissions'),
-       'description' => t('Manage the permissions assigned to user roles. %warning', array('%warning' => t('Warning: Give to trusted roles only; this permission has security implications.'))),
-     ),
-     'administer users' => array(
-       'title' => t('Administer users'),
-       'description' => t('Manage or block users, and manage their role assignments.'),
-     ),
-     'access user profiles' => array(
-       'title' => t('Access user profiles'),
-       'description' => t('View profiles of users on the site, which may contain personal information.'),
-     ),
-     'change own username' => array(
-       'title' => t('Change own username'),
-       'description' => t('Select a different username.'),
-     ),
-   );
+  return array(
+    'administer permissions' =>  array(
+      'title' => t('Administer permissions'),
+      'description' => t('Manage the permissions assigned to user roles. %warning', array('%warning' => t('Warning: Give to trusted roles only; this permission has security implications.'))),
+    ),
+    'administer users' => array(
+      'title' => t('Administer users'),
+      'description' => t('Manage or block users, and manage their role assignments.'),
+    ),
+    'access user profiles' => array(
+      'title' => t('Access user profiles'),
+      'description' => t('View profiles of users on the site, which may contain personal information.'),
+    ),
+    'change own username' => array(
+      'title' => t('Change own username'),
+      'description' => t('Select a different username.'),
+    ),
+    'block users' => array(
+      'title' => t('Block users'),
+      'description' => t('Block users from the site.'),
+    ),
+  );
 }
 
 /**