RE: discontent about Indic scripts and Unicode

From: Carl W. Brown (cbrown@xnetinc.com)
Date: Tue Sep 18 2001 - 23:17:22 EDT


Ram,

>
> ISCII has escape sequences which announce the start of a new Indic script.
> An ATR char followed by special codepoint forms the escape sequence.
> It is possible to support a page that contains different Indic
> scripts.There are
>
> problems with the standard like, it assumes a default starting language,
> which makes sense if the input is from keyboard and language is obtained
> from the environment, but notl if data is exchanged between computers.
>

I don't feel that state shifted code pages are very useful except of
transporting blocks of data. When you have state information you can not
use standard text manipulation.

You notice that there are ISCII hacks for Windows for example but Win2000
uses Unicode. The reason is that if you use something like Mlang to
concatenate fonts you have to write in Unicode.

It would be a mess to map out which font to used for each character if each
font used a different character set. What API would you use that could
specify different character sets and code page dependent shifting. It would
be a real mess. You would first have to pass it through a layout and then
again for display. Unicode simplifies the process. Why develop an Indic
only solution?

Carl



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