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References: <LISTSERV%200809181802060700.039F@LISTSERV.UNI-HEIDELBERG.DE>
Message-ID:  <27990a880809181847p7f2fa697x5ce693bb9b53e71a@mail.gmail.com>
Date:         Fri, 19 Sep 2008 11:17:43 +0930
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: Will Robertson <wspr81@GMAIL.COM>
Subject: Re: \scantokens, \everyeof, \endlinechar
To: LATEX-L@LISTSERV.UNI-HEIDELBERG.DE
In-Reply-To:  <LISTSERV%200809181802060700.039F@LISTSERV.UNI-HEIDELBERG.DE>
Precedence: list
Status: R

On Fri, Sep 19, 2008 at 1:32 AM, Joseph Wright
<joseph.wright@morningstar2.co.uk> wrote:
> I should point out that this was, implicitly, a two-part questions.  Part
> one was about the primitives, part two is how to execute:
>
> \tlp_gset:Nx \g_siunitx_tmpa_tlp {\etex_scantokens:D {#1}}
>
> while _ is active (and I guess ideally : is "other").  In my current setup,
> I only have to worry about @, which I just accept will be a letter.  But I
> have to have _  active.

Ah :) Bit of a pickle.

I guess I'd do something like

\def:Npn \siunitxtmp {
  \tlp_gset:Nx \g_siunitx_tmpa_tlp {\etex_scantokens:D {#1}}}
\char_make_active:N \_
\siunitxtmp

(unless my brain hasn't woken up yet...I think that will work)

Will