It has been a feature of the UCS for two decades, was probably part of ISCII.
On 8 Jul 2012, at 14:14, Shriramana Sharma wrote: > On Sun, Jul 8, 2012 at 6:32 PM, Richard Wordingham > <richard.wording...@ntlworld.com> wrote: >> On the contrary, doubling for (historical) retroflexion is a fairly >> clear convention. > > Where, please? I have never heard of it. (But of course my knowledge > is limited.) > > -- > Shriramana Sharma > Michael Everson * http://www.evertype.com/
