[XeTeX] r34804 fails to typeset a vertical Japanese, for which r34711 works fine

[Jiang Jiang]

On Sun, Aug 3, 2014 at 12:10 PM, Jiang Jiang <gzjjgod at gmail.com> wrote:
> Possible fix: https://gist.github.com/jjgod/88bb45f2cc7711bf3fd0

I have committed a better fix as r34805. It still doesn't fix the
original warnings with ToUnicode map, which I will look into later.
But at least it doesn't regress.

- Jiang