Since 5.6 $$QT_INSTALL_DOCS/global folder don't exists (via QtSDK)

Since 5.6 $$QT_INSTALL_DOCS/global folder don't exists.

I check it on Windows.

It's exists but in another location.

QtSDK collect Documentation files to common folder like:
C:\Qt\Docs\Qt-5.X

And

C:\Qt\Docs\Qt-5.5\global [exists]
C:\Qt\Docs\Qt-5.6\global [don't exists]

But

Exists many identical folders:

C:\Qt\5.6\mingw49_32\doc\global
C:\Qt\5.6\msvc2013\doc\global
C:\Qt\5.6\msvc2013_64\doc\global
...

I found it while try build doc for QtIFW.

Thanks Bob Babcock by reply:
http://lists.qt-project.org/pipermail/interest/2016-July/023329.html