According to the WordPress Codex 1, it is possible to pass quotation marks via the parameters of the function, wp_link_pages(). This would enable users to assign a particular css class or id to the function output, thereby providing greater design and behavioral control over that particular object. But alas, as reported several times in the WordPress Codex 2, wp_link_pages() is unable to pass quotes without causing errors. To fix this, we open template-functions-post.php and find wp_link_pages(), which [...] • Read more »