1. Type a few lines into a text area. 2. Hit Cmd-UpArrow. (The cursor should move to the top of the text area.) ---> Notice that you have scrolled the page instead of moving the cursor Same thing for Cmd-DownArrow
<rdar://problem/4614085>
Same goes for home and end, and Ctrl-LeftArrow/RightArrow and Option-LeftArrow/RightArrow, which correspond to move by word and move by word ignoring capitals, respectively.
Created attachment 9528 [details] Patch I managed to trace this to the commit in r14172.
Comment on attachment 9528 [details] Patch r=me
Committed revision 15499.