FVS Assignment for A (was: New Thread - FVS Assignment MisMatch)

Resending with attached file.   

Hi Rechard,

> Why do you think that the final glyph in https://lists.w3.org/Archives/Public/public-i18n-mongolian/2015JulSep/att-0221/A_F_FVS2.png
>has anything to do with MVS?  It is clearly designed to attach to another glyph.  
> It appears to be a form of final A and E used directly after BA, PA, feminine QA, feminine GA, FA, KA, KHA, and in some of the other writing systems. 
Yes you are right on the understanding, the final A/E comes after BA PA, it is directly connected and loop toward left site.
but we look the A/E included the tooth of the final part of the BA-A/E, PA-A/E. please see red bordered final BA-A in the attached file.

If we directly connect the final A/E after BA, PA, it is become like this. ᠪ᠊ᠠ᠋ ᠫ᠊ᠠ᠋
If we see the final part of the final BA-A/E, PA-A/E is the final A/E itself directly. It will become BA-A-A or BA-E-E, refer the red rectangle circled part in the attached file.

> You can see it in context at http://www.studymongolian.net/lessons/basics/writing/ , and both TR170 and the Quejingzhabu's document show examples. 
> If you need to display it in isolation, it is already doubly encoded - <ZWJ, A, FVS1> and <ZWJ, E, FVS1>.
Currently encoded final A/E is the form have bubbled head, after MVS and ZWJ.
We need the directly connectable form.

Please find attached file and check the which is better encoding it as F+FVS2 ?, or use ligature?

Regards,

Jirimutu
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-----Original Message-----
From: Richard Wordingham [mailto:richard.wordingham@ntlworld.com] 
Sent: Sunday, August 9, 2015 6:06 AM
To: jrmt@almas.co.jp; public-i18n-mongolian@w3.org
Subject: Re: FVS Assignment for A (was: New Thread - FVS Assignment MisMatch)

On Fri, 7 Aug 2015 10:06:46 +0900
<jrmt@almas.co.jp> wrote:

 
> Here I continue my discussion around the  FVS assignment for U1820-A.

> 1.       I would like to amend one more glyph for f+FVS2. Please refer
> following picture.

Why do you think that the final glyph in https://lists.w3.org/Archives/Public/public-i18n-mongolian/2015JulSep/att-0221/A_F_FVS2.png
has anything to do with MVS?  It is clearly designed to attach to another glyph.  It appears to be a form of final A and E used directly after BA, PA, feminine QA, feminine GA, FA, KA, KHA, and in some of the other writing systems. You can see it in context at http://www.studymongolian.net/lessons/basics/writing/ , and both TR170 and the Quejingzhabu's document show examples. If you need to display it in isolation, it is already doubly encoded - <ZWJ, A, FVS1> and <ZWJ, E, FVS1>.

Now, there *may* be an issue of whether the selection of connected final glyph is automatic. I suspect some of the examples at http://www.studymongolian.net/lessons/basics/writing/ have confused E and EE.  If there is a need, one could argue that if A/E turns to the left it is a ligature, and if it turns to the right it is not a ligature, and so <KA, ZWJ, ZWNJ, ZWJ, E>.  The ZWNJ suppress the ligature, and the two ZWJs preserve connecting forms.  (I got the sequence from TUS 7.0.0 Section 23.2 page 803 -
http://www.unicode.org/versions/Unicode7.0.0/ch23.pdf#G22789 .)

Richard.