I have run my theme through Wordpress theme checker to see if it can be submitted to Wordpres.org. I encountered this error:

    REQUIRED: Could not find wp_link_pages. See: wp_link_pages

But this is not true. This a custom function wp_my_own_link_pages() which is a replacement for wp_link_pages(). It generates pagination with a compatible HTML structure for the theme. 

Did I miss something required, how to make this work? Thank you.