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Date: Wed, 28 May 2014 21:45:56 +0100
From: Joseph Wright <joseph.wright@morningstar2.co.uk>
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To: Bruno Le Floch <blflatex@gmail.com>,
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Subject: Re: [l3svn] r4899 - Use \c__msg_coding_error_text_tl in various places
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On 28/05/2014 21:42, Bruno Le Floch wrote:
> My understanding is that we're fine to use internal functions within a
> given bundle, even though it is split into various files/modules.
> However, all internal functions used in this way should be documented
> carefully (e.g., we do not reuse some auxiliary functions which happen
> to be identical in various modules, such as those for the \..._case
> user functions).

Indeed, that was the plan. There are some things we need to use more
widely than a single .dtx file but don't want to put down as public. The
message stuff is by far the most obvious.

> Since we provide no support for localization, the package writer does
> not lose much by just typing "This is a coding error." in his error
> message if he so wishes.  To be honest, I've never spent enough time
> to understand when each of those error tls should be used, so none of
> the messages I've added to l3kernel over the years use them.

As I said, these are probably a bit of a mess as if we want to allow
localisation (do we?) then they shouldn't be constants anyway. My aim
was to avoid actually breaking anything in the short term: as I said in
the commit message, this probably needs rethinking.

Joseph
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