Description of problem:

When i am editing a textbox on a website (such as this one on
bugzilla), i am very accustomed to be able to move the text entry
cursor around in the text using the arrow keys. With firefox this dont
work - only page up/down and control+cursor works.

Version-Release number of selected component (if applicable):
firefox-0.10.0-1.0PR1.0

How reproducible:
Every time

Steps to Reproduce:
1.Open a webpage which contains texboxes - such as a forum or bugzilla
2.Write some text. Try to move arround using the cursor keys
3.Discover that it doesn't work.
4.Get really annoyed and use the mouse/start epiphany.

Actual results:
No response from arrow-keys

Expected results:
arrow keys should move the text entry cursor arround

Additional info: