Docs: Clarify that `wp_list_pages()` and `get_pages()` only work with hierarchical post types.

Props doublehhh.
Fixes #39369.
Built from https://develop.svn.wordpress.org/trunk@40027


git-svn-id: http://core.svn.wordpress.org/trunk@39964 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-template.php

@@ -1126,7 +1126,7 @@ function wp_dropdown_pages( $args = '' ) {
 }
 
 /**
- * Retrieve or display list of pages in list (li) format.
+ * Retrieve or display list of pages (or hierarchical post type items) in list (li) format.
  *
  * @since 1.5.0
  * @since 4.7.0 Added the `item_spacing` argument.

wp-includes/post.php

@@ -4471,7 +4471,7 @@ function get_page_uri( $page = 0 ) {
 }
 
 /**
- * Retrieve a list of pages.
+ * Retrieve a list of pages (or hierarchical post type items).
  *
  * @global wpdb $wpdb WordPress database abstraction object.
  *

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-40026';
+$wp_version = '4.8-alpha-40027';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.