[TYPO3-core] RFC: #13554: Preview of mount pages via backend

[Georg Ringer]

Hi!

This is a SVN patch request.

Type: Feature (or bugfix?)

Bugtracker references:
http://bugs.typo3.org/view.php?id=13554

Branches: Trunk (or 4.3, 4.2)

Problem:
Curently it is not possible to get previews of mount pages because the
preview link is missing the mountpoint information. Therefore the error
"The requested page didn't have a proper connection to the tree-root!
(Illegal Mount Point found in rootline)" is displayed

Solution:
If the wanted page is a mount page, fetch the needed information from
the page record and apply the &MP variable

Additional information / To reproduce:
- Create a new mount page, check the option "Substitute Mount Point
(this page) with Mounted page:" and set a page to be mounted
- View the page in the module "View"
- See the error
- Apply the patch
- See the error go away

Georg
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