I *think* someone reported this, but I wanted to make sure it got into 2.7:
Select multiple lines of text, and hitting tab in both of the xml editors in 2.7rc1 just indent the first line, but I saw some weird behavior when I was trying to back indent (shift-tab). I selected about 15 lines of xml, and hit shift-tab, what it did was back indent the first tag until it was flush with the left editor window, then it jumped down to the next tag of the same type (skipping the first tags contents) and back indented that one, and so one… very strange.
Anyway, I would just prefer it behaved like the Java editor indenting.
Best,
Riyad