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Date:         Tue, 7 Jul 2015 11:48:29 +0200
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From: =?windows-1252?Q?=C9lie_Roux?= <elie.roux@TELECOM-BRETAGNE.EU>
Subject: Re: LuaTeX support in the LaTeX kernel
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Status: R

Le 07/07/2015 11:39, Joseph Wright a écrit :
> On 07/07/2015 10:06, David Carlisle wrote:
>>>> We are looking for feedback in two areas. Firstly, does the
>>>> functionality provided cover the needs of package authors using LuaTeX?
>>>
>>> The whatsit allocation is still missing, maybe it could be added to
>>> lualatexsupport?
>>
>> One thing to discuss: it could be added to lualatexsupport (a package)
>> or ltluatex (planned to be in the format) and could be handled
>> as a normal tex register allocation (with \count26x holding the unique
>> id) or handled purely in lua.  Does anyone have any examples of these
>> things in use??? Some real use cases would be good to check any design
>> decisions here.
> 
> Indeed, this bit is missing mainly as I've yet to read the existing code
> in detail and work out what exactly we should provide. For example,
> David suggested to me that the allocation number might need to be
> accessible from TeX (or that at least this was desirable), so using a
> \count26x value rather than Lua variable would be best. But without any
> use cases I'm not at all sure.

The feature was asked by Stephan Hennig (in copy of this mail), and is
used by him, see

https://github.com/sh2d/spelling

Thank you,
-- 
Elie