Ticket #18645: 18645-3.diff

wp-admin/includes/meta-boxes.php

@@ -527 +527 @@
 ?>
 <label class="screen-reader-text" for="post_author_override"><?php _e('Author'); ?></label>
 <?php
-        wp_dropdown_users( array(
+        $args = array(
                 'who' => 'authors',
                 'name' => 'post_author_override',
                 'selected' => empty($post->ID) ? $user_ID : $post->post_author,
                 'include_selected' => true
-        ) );
+        );
+        $args = (array) apply_filters('post_author_meta_box', $args);
+        wp_dropdown_users( $args );
 }