[ticket/12395] Check for posts in the middle of the page

PHPBB3-12395
Merge remote-tracking branch 'nickvergessen/ticket/12395' into develop-ascraeus

* nickvergessen/ticket/12395:
  [ticket/12395] Check for posts in the middle of the page
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12395] Check for posts in the middle of the page