There seems to be cases where being at the start of a line in webkit, pressing down cursor will not take you to the next line but rather the end of the same line.

Steps to reproduce:
1. Visit http://live.gnome.org/Orca
2. Go down to the "About orca" heading.
3. Cursor down twice (this should, or at least in my case, put you on the line saying "that provides access to the graphical desktop via user-c".
4. Ensure you are at the very beginning of this line, press home.
5. Press down cursor and observe.

Expected: Orca will read the next line and the cursor should be at the beginning of the line.
Actual: Orca reads the same line (the one saying "that provides access to the graphical desktop via user-c") again. The cursor now seems to be at the end of the line. Pressing down once more will move over the line I expected to be spoken (IE. the expected output is totally skipped).

Further information: If in step 4 from above, you were to position the cursor one character in from the start of the line (IE. press home and then right cursor) and then proceed with step 5 by pressing down cursor, the expected result will be observed. Also if following the test case above, you follow step 5 by pressing right cursor you will get on to the line which normally is skipped.

I am using orca from git (yesterday evening) and webkit 1.6.1.

I appreciate this might be a webkit bug as its a caret navigation issue and I think webkit manages caret navigation for orca. If it is a webkit bug then I can file one against webkit and set this to blocked.