Highlight current page in the nav block

[StrangeTech]

@Louis, since you have been kind enough to include custom URLs, how about this request :

When viewing post pages, set the post archive page in the menu to current or current-menu-parent / current-menu-ancestor

Description: When visiting any page, if that page is in the menu it is set to the current page. Usually with post types, a desirable behaviour to ensure users know where they are within the site is the following: Viewing any post page will result in the post type archive page menu item being set to current (as if the post page was a child of the archive page menu item). In any cases where this didn’t happen automatically, using the standard WordPress menu we could use filters to ensure the…