User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101
            Thunderbird/31.5.0
MIME-Version: 1.0
References: <54F083C0.2020702@morningstar2.co.uk>                              
            <54F08FA9.1000300@telecom-bretagne.eu>                      
            <54F0998F.1060303@morningstar2.co.uk>           
            <54F09D0F.9000507@telecom-bretagne.eu> <54F0A2CA.4040301@nag.co.uk>
Content-Type: text/plain; charset=utf-8
Message-ID:  <54F0A6FB.2020903@morningstar2.co.uk>
Date:         Fri, 27 Feb 2015 17:18:51 +0000
Reply-To: Mailing list for the LaTeX3 project
              <LATEX-L@LISTSERV.UNI-HEIDELBERG.DE>
Sender: Mailing list for the LaTeX3 project <LATEX-L@LISTSERV.UNI-HEIDELBERG.DE>
From: Joseph Wright <joseph.wright@MORNINGSTAR2.CO.UK>
Subject: Re: LaTeX2e Update 2015
To: LATEX-L@LISTSERV.UNI-HEIDELBERG.DE
In-Reply-To:  <54F0A2CA.4040301@nag.co.uk>
Precedence: list
Envelope-To: <rainer.schoepf@GMX.NET>
Content-Transfer-Encoding: 8bit
Status: R

On 27/02/2015 17:00, David Carlisle wrote:
> On 27/02/2015 16:36, Élie Roux wrote:
>>> Indeed: that is the thinking.
>>
>> Good!
>>
>>> At the moment the focus needs to be on the current update.
>>
>> By the way, did you integrate all of this:
>>
>> https://github.com/lualatex/luatexbase/blob/master/luatexbase-regs.dtx#L266
>>
> 
> The
> new register allocation code has the correct upper range for each of
> classic tex, etex, xetex and luatex, but is different to the etex.sty code.
> 
>> ? Should I make an update removing a few things (or everything)? Can
>> the LaTeX update and this code coexist?
>
> They can co-exist in that if you load etex.sty we checked that it
> cleanly overwrites everything and so did what it always did.
> that would mean you lose the float allocation mechanism.
>
> So at some point you probably want to not load etex.sty and not make
> those fixes if you detect a new format, but it is not critical that
> happens day one of a latex release.

Our own plan for expl3 is to do a test for \extrafloats or \e@alloc
[depending on who writes the test :-)], and if they are available to
skip loading etex.sty.
--
Joseph Wright