>2. Myanmar Unicode has history of breaking
>previous version and luck of migration support.
>It is rather strange that there is NO convertor
>available for myanmar1 (Unicode 4.0) to myanmar2
>(Unicode 4.1) or myanmar2 to myanmar3 (Unicode
>5.1).

It isn't Unicode's place to make such a
converter. The owners of myanmar1, myanmar2, and
myanmar3 should have a care for the problem. But
there *are* converters available for text
conversion.not take the burdon.