XML Layout Misbehavior with Eclipse-ADT

Question

I am facing something strange issue with Android XML Layout Editor.

Whenever I am switching from Graphical Layout to Code Layout, It shows everything perfectly and when I'll click or move up down via keyboard arrow keys, it behaves strange and part of xml line are becoming visible/invisible.

Xml code is there, its not changing.

Have a look at attached video link.
http://screencast.com/t/rY1gKPY9vn

My current Config :
Eclipse SDK
Version: 3.7.2
Build id: M20120208-0800

Android Development Toolkit
Version: 20.0.3.v201208082019-427395

Update :
issue is still there with Eclipse with 4.2 also

Answer 1

Yes, it's a known issue and I have also faced this strange issue with Eclipse, the solution to it is to close the XML file and open it again. If that doesn't work, restarting Eclipse should also solve it.