misbehaviour of outline-backward-same-level

[Leo]

`outline-backward-same-level' will move from a heading line to a
non-heading line when on the first level-1 heading.

To reproduce:
   o  Open the attached file
   o  Go to "* Head 1"
   o  "C-c C-b" (which runs the command outline-backward-same-level)
   o  Cursor moved to the first line of the buffer

sample.txt
Description: sample.txt

The bug causes some trouble in org mode (which derives from outline
mode). See:

    http://permalink.gmane.org/gmane.emacs.orgmode/1570

--
Leo