Index: includes/form.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/form.inc,v
retrieving revision 1.287
diff -u -p -r1.287 form.inc
--- includes/form.inc	21 Sep 2008 06:34:41 -0000	1.287
+++ includes/form.inc	27 Sep 2008 04:59:24 -0000
@@ -1748,6 +1748,48 @@ function form_process_radios($element) {
 }
 
 /**
+ * Add an input format selector to form elements defining #input_format.
+ *
+ * If the property #input_format is set on elements of the type textarea or
+ * textfield, the original form element will be expanded into two separate form
+ * elements, while the value of the original element is submitted as is, i.e.
+ * not altered. This is done to allow an arbitrary input format widget in the
+ * resulting output, which can be simple markup or a list of available input
+ * formats the user is able to choose from.
+ *
+ * The form structure is altered, so the original element is expanded into two
+ * separate elements: the first array element, identified by the key 'value',
+ * is the original textarea/textfield element. The second array element,
+ * identified by the key 'format', contains the input format selector or simple
+ * markup for a single input format.
+ * The original element in the form structure is converted into a element of
+ * the type markup and does not output anything on its own.
+ *
+ * If the original form element was named 'body', it is submitted as is and on
+ * the same array level as if there was no input format. The additional input
+ * format value will be submitted as the original element name, plus suffix
+ * '_format', e.g. 'body_format'.
+ */
+function form_process_input_format($element) {
+  if (isset($element['#input_format'])) {
+    // Determine the form element parents and element name to use for the input
+    // format widget.
+    $format_parents = $element['#parents'];
+    $last_parent = array_pop($format_parents);
+    $format_parents[] = $last_parent .'_format';
+    // We need to break references, otherwise form_builder recurses infinitely.
+    $element['value'] = (array)$element;
+    $element['#type'] = 'markup';
+    $element['format'] = filter_form($element['#input_format'], 1, $format_parents);
+    // We need to clear the #input_format from the new child otherwise we
+    // would get into an infinite loop.
+    unset($element['value']['#input_format']);
+    $element['value']['#weight'] = 0;
+  }
+  return $element;
+}
+
+/**
  * Add AHAH information about a form element to the page to communicate with
  * javascript. If #ahah[path] is set on an element, this additional javascript is
  * added to the page header to attach the AHAH behaviors. See ahah.js for more
@@ -1787,6 +1829,8 @@ function form_process_ahah($element) {
       case 'select':
         $element['#ahah']['event'] = 'change';
         break;
+      default:
+        return $element;
     }
   }
 
Index: modules/block/block.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/block/block.module,v
retrieving revision 1.309
diff -u -p -r1.309 block.module
--- modules/block/block.module	21 Aug 2008 19:36:36 -0000	1.309
+++ modules/block/block.module	27 Sep 2008 04:03:42 -0000
@@ -315,24 +315,21 @@ function block_box_form($edit = array())
     '#type' => 'textarea',
     '#title' => t('Block body'),
     '#default_value' => $edit['body'],
+    '#input_format' => isset($edit['format']) ? $edit['format'] : FILTER_FORMAT_DEFAULT,
     '#rows' => 15,
     '#description' => t('The content of the block as shown to the user.'),
     '#weight' => -17,
   );
-  if (!isset($edit['format'])) {
-    $edit['format'] = FILTER_FORMAT_DEFAULT;
-  }
-  $form['body_field']['format'] = filter_form($edit['format'], -16);
 
   return $form;
 }
 
 function block_box_save($edit, $delta) {
-  if (!filter_access($edit['format'])) {
-    $edit['format'] = FILTER_FORMAT_DEFAULT;
+  if (!filter_access($edit['body_format'])) {
+    $edit['body_format'] = FILTER_FORMAT_DEFAULT;
   }
 
-  db_query("UPDATE {boxes} SET body = '%s', info = '%s', format = %d WHERE bid = %d", $edit['body'], $edit['info'], $edit['format'], $delta);
+  db_query("UPDATE {boxes} SET body = '%s', info = '%s', format = %d WHERE bid = %d", $edit['body'], $edit['info'], $edit['body_format'], $delta);
 
   return TRUE;
 }
Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.650
diff -u -p -r1.650 comment.module
--- modules/comment/comment.module	17 Sep 2008 20:37:31 -0000	1.650
+++ modules/comment/comment.module	27 Sep 2008 04:03:42 -0000
@@ -666,7 +666,7 @@ function comment_save($edit) {
       );
       if ($edit['cid']) {
         // Update the comment in the database.
-        db_query("UPDATE {comments} SET status = %d, timestamp = %d, subject = '%s', comment = '%s', format = %d, uid = %d, name = '%s', mail = '%s', homepage = '%s' WHERE cid = %d", $edit['status'], $edit['timestamp'], $edit['subject'], $edit['comment'], $edit['format'], $edit['uid'], $edit['name'], $edit['mail'], $edit['homepage'], $edit['cid']);
+        db_query("UPDATE {comments} SET status = %d, timestamp = %d, subject = '%s', comment = '%s', format = %d, uid = %d, name = '%s', mail = '%s', homepage = '%s' WHERE cid = %d", $edit['status'], $edit['timestamp'], $edit['subject'], $edit['comment'], $edit['comment_format'], $edit['uid'], $edit['name'], $edit['mail'], $edit['homepage'], $edit['cid']);
         // Allow modules to respond to the updating of a comment.
         comment_invoke_comment($edit, 'update');
         // Add an entry to the watchdog log.
@@ -719,7 +719,7 @@ function comment_save($edit) {
           $edit['name'] = $user->name;
         }
 
-        db_query("INSERT INTO {comments} (nid, pid, uid, subject, comment, format, hostname, timestamp, status, thread, name, mail, homepage) VALUES (%d, %d, %d, '%s', '%s', %d, '%s', %d, %d, '%s', '%s', '%s', '%s')", $edit['nid'], $edit['pid'], $edit['uid'], $edit['subject'], $edit['comment'], $edit['format'], ip_address(), $edit['timestamp'], $edit['status'], $thread, $edit['name'], $edit['mail'], $edit['homepage']);
+        db_query("INSERT INTO {comments} (nid, pid, uid, subject, comment, format, hostname, timestamp, status, thread, name, mail, homepage) VALUES (%d, %d, %d, '%s', '%s', %d, '%s', %d, %d, '%s', '%s', '%s', '%s')", $edit['nid'], $edit['pid'], $edit['uid'], $edit['subject'], $edit['comment'], $edit['comment_format'], ip_address(), $edit['timestamp'], $edit['status'], $thread, $edit['name'], $edit['mail'], $edit['homepage']);
         $edit['cid'] = db_last_insert_id('comments', 'cid');
         // Tell the other modules a new comment has been submitted.
         comment_invoke_comment($edit, 'insert');
@@ -1341,17 +1341,14 @@ function comment_form(&$form_state, $edi
     $default = '';
   }
 
-  $form['comment_filter']['comment'] = array(
+  $form['comment'] = array(
     '#type' => 'textarea',
     '#title' => t('Comment'),
     '#rows' => 15,
     '#default_value' => $default,
+    '#input_format' => isset($edit['format']) ? $edit['format'] : FILTER_FORMAT_DEFAULT,
     '#required' => TRUE,
   );
-  if (!isset($edit['format'])) {
-    $edit['format'] = FILTER_FORMAT_DEFAULT;
-  }
-  $form['comment_filter']['format'] = filter_form($edit['format']);
 
   $form['cid'] = array(
     '#type' => 'value',
@@ -1431,6 +1428,7 @@ function comment_form_add_preview($form,
   if (!form_get_errors()) {
     _comment_form_submit($edit);
     $comment = (object)$edit;
+    $comment->format = $comment->comment_format;
 
     // Attach the user and time information.
     if (!empty($edit['author'])) {
@@ -1523,7 +1521,7 @@ function _comment_form_submit(&$comment_
     // 2) Strip out all HTML tags
     // 3) Convert entities back to plain-text.
     // Note: format is checked by check_markup().
-    $comment_values['subject'] = trim(truncate_utf8(decode_entities(strip_tags(check_markup($comment_values['comment'], $comment_values['format']))), 29, TRUE));
+    $comment_values['subject'] = trim(truncate_utf8(decode_entities(strip_tags(check_markup($comment_values['comment'], $comment_values['comment_format']))), 29, TRUE));
     // Edge cases where the comment body is populated only by HTML tags will
     // require a default subject.
     if ($comment_values['subject'] == '') {
@@ -1541,7 +1539,6 @@ function comment_form_submit($form, &$fo
     $node = node_load($form_state['values']['nid']);
     $page = comment_new_page_count($node->comment_count, 1, $node);
     $form_state['redirect'] = array('node/' . $node->nid, $page, "comment-$cid");
-
     return;
   }
 }
Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.977
diff -u -p -r1.977 node.module
--- modules/node/node.module	17 Sep 2008 20:37:32 -0000	1.977
+++ modules/node/node.module	27 Sep 2008 04:06:37 -0000
@@ -858,6 +858,7 @@ function node_submit($node) {
   // module-provided 'teaser' form item).
   if (!isset($node->teaser)) {
     if (isset($node->body)) {
+      $node->format = (!empty($node->body_format) ? $node->body_format : FILTER_FORMAT_DEFAULT);
       $node->teaser = node_teaser($node->body, isset($node->format) ? $node->format : NULL);
       // Chop off the teaser from the body if needed. The teaser_include
       // property might not be set (eg. in Blog API postings), so only act on
@@ -938,7 +939,6 @@ function node_save(&$node) {
   $node->changed = REQUEST_TIME;
 
   $node->timestamp = REQUEST_TIME;
-  $node->format = isset($node->format) ? $node->format : FILTER_FORMAT_DEFAULT;
   $update_node = TRUE;
 
   // Generate the node table query and the node_revisions table query.
Index: modules/node/node.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.pages.inc,v
retrieving revision 1.37
diff -u -p -r1.37 node.pages.inc
--- modules/node/node.pages.inc	19 Sep 2008 07:39:00 -0000	1.37
+++ modules/node/node.pages.inc	27 Sep 2008 04:03:42 -0000
@@ -296,10 +296,9 @@ function node_body_field(&$node, $label,
     '#default_value' => $include ? $node->body : ($node->teaser . $node->body),
     '#rows' => 20,
     '#required' => ($word_count > 0),
+    '#input_format' => isset($node->format) ? $node->format : FILTER_FORMAT_DEFAULT,
   );
 
-  $form['format'] = filter_form($node->format);
-
   return $form;
 }
 
Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.623
diff -u -p -r1.623 system.module
--- modules/system/system.module	20 Sep 2008 03:49:24 -0000	1.623
+++ modules/system/system.module	27 Sep 2008 04:03:42 -0000
@@ -219,7 +219,7 @@ function system_elements() {
     '#size' => 60,
     '#maxlength' => 128,
     '#autocomplete_path' => FALSE,
-    '#process' => array('form_process_ahah'),
+    '#process' => array('form_process_input_format', 'form_process_ahah'),
   );
 
   $type['password'] = array(
@@ -239,7 +239,7 @@ function system_elements() {
     '#cols' => 60,
     '#rows' => 5,
     '#resizable' => TRUE,
-    '#process' => array('form_process_ahah'),
+    '#process' => array('form_process_input_format', 'form_process_ahah'),
   );
 
   $type['radios'] = array(