Sorry, but I think another little bug crossed my trail. I searched the forum, but did not find previus reports of this issue:

If you want to reproduce it, try to edit the name of any track the number of which is high enough to let track #1 scroll out of your window. Place the caret in the middle of the name you find there, then hit the HOMR key.

Instead of jumping to the beginning of the text as you would expect, the text box gets closed without keeping any changes you may have already made and you are lead to track #1 instead.

Accordingly, the text box will be closed and you'll be lead to track #48 (which is the last possible track number, I believe), if you hit the END key.