Moving backdrop of the node editor in 2.53?

Support Basics & Interface
1

Does anyone know how the backdrop can be moved in 2.53? In 2.49b it was SHIFT + MMB.

Thanks in advance!

2

It appears only the nodes move…

3

Alt-MMB moves compositor backdrop on my Windows machine.

4

Yep, that’s it, works here too.

5

Thank you for your help. It works!