Quoting Dirk Elzinga <Dirk_Elzinga@...>:
> The retroflex series could be represented with the symbols for the
> corresponding alveolar consonants following an <r>:
>
> [t`] -> <rt>
> [d`] -> <rd>
> [n`] -> <rn>
>
> etc.
>
> This is how many of the orthographies are set up for the Australian
> languages. But then, not everyone is open-minded enough to follow the
> digraph path :-).
Do you by any chance know whether this enlightened spelling convention was
copied from the Scandinavian languages, where "rt"=[t`] etc are used due to
sound changes merging /r/ with following dentals into retroflexes.
Andreas