[HarfBuzz] Old Korean T jamo that don't conjoin?

[Behdad Esfahbod]

I see.  You are right.  Fixed the comment.

On Sat, Mar 31, 2018 at 3:33 AM, Richard Wordingham <
richard.wordingham at ntlworld.com> wrote:

> On Fri, 30 Mar 2018 18:15:13 -0500
> Nathan Willis <nwillis at glyphography.com> wrote:
>
> > If the rule was that only <Modern,Modern,Modern> would compose into
> > something in the Syllables block, that would make total sense to me.
> > But the comment makes it sound like <Old,Old,Modern> also maps to
> > stuff in the Syllables block and that it's only the Old Ts that are
> > excluded. That's what I don't understand.
>
> The comment is explaining which <LV,T> combinations compose at the
> character level.  I think you will find that LV combinations only exist
> for <Modern,Modern> combinations.  It is at that level that
> <Old,Old,Modern> is excluded.
>
> What you seem to be after is a change to the text on line 1154 from
>
> "Only the <L,V> sequences for the 11xx ranges combine."
>
> to
>
> "Only the <L,V> sequences for parts of the 11xx ranges combine."
>
> or
>
> "Only the <L,V> sequences for some L and some V combine."
>
> The interesting bit of Unicode history is why the consortium caved in
> to Korean demands for the full set of <modern, modern, modern> to be
> included.  An uninteresting bit of HarfBuzz archaeology would be
> whether someone briefly thought that the all L and V in the Hangul Jamo
> block composed at the character level.
>
> Richard.
>
>
>
>
>
>
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-- 
behdad
http://behdad.org/
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