[XeTeX] [tex-live] Primitive parity, \expanded and \Ucharcat

Jonathan Kew jfkthame at gmail.com
Mon Jun 18 22:47:45 CEST 2018

On 18/06/2018 21:28, Joseph Wright wrote:
> On 13/05/2018 13:36, Jonathan Kew wrote:
>> On 13/05/2018 13:15, Joseph Wright wrote:
>>> On 13/05/2018 12:23, Jonathan Kew wrote:
>>>> On 13/05/2018 10:57, Joseph Wright wrote:
>>>>> Hello all,
>>>>> Modulo any issues that show up in testing, all of the above is now 
>>>>> done and on my GitHub fork 
>>>>> (https://github.com/josephwright/texlive-source/tree/Ucharcat: this 
>>>>> branch has 'all the stuff' on it).
>>>>> I know that https://github.com/texjporg/tex-jp-build already has a 
>>>>> branch for \expanded. What's the best way to request 'officially' 
>>>>> that the changes go into pdfTeX/XeTeX? I can send a .diff to the 
>>>>> pdfTeX dev list, and put in a pull request on SourceForge for 
>>>>> XeTeX, if that's best.
>>>> Thanks for working on these things, Joseph.
>>>> For xetex, a pull request would be the best approach, I think; or if 
>>>> it's feasible to do separate PRs for each feature, that would 
>>>> probably make reviewing and tracking the changes easier.
>>>> Is there documentation of the added features available somewhere, so 
>>>> we can more accurately understand what we're thinking of adding? 
>>>> Thanks!
>>>> JK
>>> Excellent: I'll start on putting something together later today.
>>> Do you want all PRs against master or can they be 'chained'? Adding 
>>> primitives, it's easier if you are working knowing which others have 
>>> been created.
>> "Chained" should be fine, I expect; I doubt there'd be any reason 
>> we'll want to take a later one but decide against an earlier one.
>> At which point perhaps a single PR is just as good, as long each 
>> feature is a separate commit so that it comes in manageable chunks. 
>> From a quick glance at your fork, it looks like that's how it would 
>> naturally appear. So, feel free to do whichever seems easiest for you.
>> JK
> Hello Jonathan,
> Have you been able to look at my merge requests? We are now moving to 
> using \expanded for other engines: it's going into pdfTeX and (u)pTeX, 
> and is already in LuaTeX. Ideally, we'd like to avoid XeTeX being 'left 
> behind'.
> Joseph

Hi Joseph,

Sorry for the slowness at this end, I know it's been a while... Copying 
the response I just posted on the SF merge request:

 > Sorry, I just got home from a work trip overseas, and haven't had a
 > chance to look into this in any detail yet. (I suspect it's probably
 > fine, but would like to make sure I understand what's being added.)
 > Can you point me at documentation of the new primitives (particularly
 > \expanded), to help understand exactly how it's supposed to work?
 > (Apologies if this has been posted somewhere already, and I've missed
 > it...)



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