[Dev-luatex] Cron <luatex at boekplan> /var/www/luatex.org/www/bin/luatex-svn

Hans Hagen pragma at wxs.nl
Fri Apr 27 09:28:45 CEST 2012


On 27-4-2012 05:26, Khaled Hosny wrote:
> Hi Taco,
>
> With this commit arbitrary number of top and/or bottom accents can be
> nested and still be positioned properly, so I think there is no need for
> `\Umathaccent both` anymore, so do you object if we deprecated it now,
> and later when it is completely removed math accent code can be
> simplified again (no need for separate field for bottom accents with all
> its complexity), what do you think?
>
> On Thu, Apr 26, 2012 at 10:28:29PM +0200, Cron Daemon wrote:
>> ------------------------------------------------------------------------
>> r4371 | khaled | 2012-04-26 18:18:10 +0200 (Thu, 26 Apr 2012) | 5 lines
>> Changed paths:
>>     M /trunk/source/texk/web2c/luatexdir/tex/mlist.w
>>
>> Properly position stacked math accents
>>
>> If the accentee is a |sub_math_list|, we check if it is composed of an
>> |accent_noad| we use the positioning of its nucleus, up to the inner
>> most |accent_noad|.

it was introduced with a reason (also proabably inspired by mathml): 
with 'both' we only need to pick up the argument (math expression) once

can you be a bit more explicit about removing the bottom option? how 
does one position at the bottom then (as Umathbotaccent was removed)?

Hans


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