andrey mirtchovski <mirtchovski@gmail.com> wrote:
 |both 9␦Front and 9␦Atom use U+180E, Mongolian Vowel Separator, to
 |stand between the digit and the letters. it is a zero-length space
 |signifying the major departure from the original canon.

No, no longer -- it has become a control character in Unicode 6.3.0.

--steffen