After migration from 3.5.13 to 4.2.x, 4.3.x and 5.5.1 In page anchor displays with #anchorname instead of just anchorname

Description

Upgrade OOB 3513 with 1 page with in-page anchor.

Upgraded instance shows the same page with anchor as #anchorname.

Workaround

You can inject SQL query to remove the hash from the link. For example this is the SQL query for MySQL.

UPDATE BODYCONTENT SET BODY = REPLACE(BODY, 'link-body>#', 'link-body>') WHERE BODY LIKE '%ac:anchor%link-body>#%';