Re: Unicode support

[Werner LEMBERG]

> > But many changes to provide Unicode support will involve the
> > display engine!
> 
> No, I don't think so.  The display engine's interaction with the 
> non-ASCII characters support is mainly in two areas:
> 
>   - it uses various functions and macros to walk the buffer one
>     character at a time (since Emacs uses variable-length encoding
>     of characters);
> 
>   - it maps characters to font codepoints
> 
> I think the latter doesn't have to change radically for Unicode.  As
> for the former, those functions and macros are not specific to the
> display engine, and need to be rewritten for Unicode anyway.

What you are talking about is Unicode level 1.  But to properly
support Indic languages more things have to be done.  Even simple
combining characters will have to be represented differently, AFAIK.


    Werner