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Changes between Initial Version and Version 1 of Ticket #4328, comment 44

-                      initial
+                      v1
 WordPress will redirect to the intended page from its old url to its new url in the following scenarios:
-I've only (manually) tested this on the post_type of 'page' and when the permalink setting (wp-admin/options-permalink.php) is set to post-name.
 when the slug is changed;
 …
 when its parent page is made to have another parent page.
 The only scenario that I had found to not work and what made me find this ticket in the first place:
+I've only (manually) tested this on the post_type of 'page' and when the permalink setting (wp-admin/options-permalink.php) is set to post-name.
+is that redirects will not work as expected when is when a page is added to have a 3rd level parent page.
+The scenarios where redirection will not work and what made me find this ticket are:
+* when a page is added to have a 3rd parent page.
 For example, a page with the slug of "3d-printing" and has two levels of parent pages (so its full url is: "subjects/technology/3d-printing/" is made to have a 3rd parent page (the new url is "library/subjects/technology/3d-printing/") ;
 the redirect will not occur, and the user receives a 404.
+* when a page with 2 parents is renamed
+Example: a page with the slug 'book-club' and previous had 2 levels of parent pages (e.g. about/special-library/book-club) is renamed to "about/special-library/special-book-club"
+The redirect is not made; and the user receives a 404.