Re: Suggestion for a simple solution of rendering problems of Devanari i matra

+ 1 to John Hudson. Breaking the premise of standards and rendering engine rules at this stage will be a disaster.
With regards,
Somnath 
 
On 07/21/14 09:56 AM, MAHESH KULKARNI <mdk@cdac.in> wrote:
> 
> I also fully agree with John Hudson. Let us not invent which will create mess.
> 
> with Regards
> 
> Mahesh Kulkarni
> Associate Director and HoD, GIST
> Centre for Development of Advanced Computing
> 4th Floor, Westend Centre III, Sector II,
> S/No. 169/1, Aundh, Pune 411007
> Phone : 020-25503401
> ----- Original Message ----- From: "John Hudson" <tiro@tiro.com>
> To: "Hariraam" <hariraama@gmail.com>; "indic" <public-i18n-indic@w3.org>
> Cc: "prashant verma" <vermaprashant1@gmail.com>; "Swaran Lata" <slata@mit.gov.in>; "Somnath Chandra" <schandra@mit.gov.in>; "Richard Ishida" <ishida@w3.org>
> Sent: Sunday, July 20, 2014 11:44 PM
> Subject: Re: Suggestion for a simple solution of rendering problems of Devanari i matra
> 
> 
> >This is a terrible idea. U+094E, which you propose entering before consonant letters or conjuncts as the stem portion of ikar, is itself a left-ordering vowel sign, and would be reordered by Indic shaping engines. So not only would you be affecting the encoding of Devanagari text to obtain a particular display in the absence of a shaping engine, you would be doing so in a way that guarantees the text displays incorrectly when a shaping engine is used. Further, while your method might appear to work in some situations for the particular case of the Devanagari ikar, other Indian writing systems involve left ordering and split vowel signs that cannot be handled with this kind of hack.
> >
> >Whether you like it or not, Unicode has encoded Indian scripts in a way that requires intelligent reordering of glyphs by shaping engines based on string analysis and shaping engine support. The response to this should be to ensure that such support is as widespread and consistent as possible, not to invent hacks that involve mangling text encoding and display.
> >
> >JH
> >
> 
> 
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-- 

Dr. Somnath Chandra
Scientist-E
Dept. of Electronics & Information Technology
Ministry of Communications & Information Technology
Govt. of India
Tel:+91-11-24364744,24301856
Fax: +91-11-24363099
e-mail :schandra@mit.gov.in