[NTG-context] upload

Fabrice Couvreur fabrice1.couvreur at gmail.com
Tue Jul 28 10:58:57 CEST 2020

Hi Hans,
I updated the version of lmtx and wanted to test the following code

\input ward\par
{\bf \input ward} \par

This returns the error message

runtime error : input file 'ward}.tex' is not found, quitting
mtx-context     | fatal error: return code: 256

TeX Output exited abnormally with code 1 at Tue Jul 28 10:57:55

Thank you

Le lun. 27 juil. 2020 à 16:42, Hans Hagen <j.hagen at xs4all.nl> a écrit :

> Hi,
> Normally we don't report on successive loe level improvements in the
> engine or the core of context (we do so in articles and wrapups), and
> much goes unnoticed anyway (which is good). But ... the last couple of
> weeks we have been playing with some adapted functionality in lmtx and
> some of the experimental low level code has now made it in core.
> Normally users will not notice this but who knows.
> There are already features in lmtx that are not (and are unlikely to be)
> in mkiv (most significant in the metapost related part). When possible
> new macros and additions to mechanism will be in both mkiv and lmtx, but
> lmtx users will be better off in the end. We're mostly talking of the
> more tricky mechanisms here, those that currently have limitations due
> to all kind of possible interferences. To summarize:
> mkii : frozen (seldom patches)
> lmtx : cutting edge
> mkiv : when possible following lmtx, otherwise frozen
> Because we develop lmtx and luametatex alongside it is no problem if we
> have experimental (and even temporary imperfect) code in the engine:
> context knows about it and especially with experiments, we try to make
> sure it doesn't hit users (who we don't expect to use those, often
> undocumented, new tricks anyway). It's sometimes the only way to go
> forward (stepwise testing).
> So, here is an example of where lmtx can do better than mkiv:
> \placefigure[left]{}{}      \input ward  \par
> \placefigure[left]{}{} {\bf \input ward} \par
> Another area is in using footnotes. As a first step to more robust
> handling of deeply nested notes, lmtx now defaults to (the more than a
> decade optional in mkiv) \automigrateinserts, but with less overhead
> (for performance reasons, it was never enabled in mkiv, apart from
> occasional side effects). It is features like these that will stepwise
> be improved, at least that is what we hope for.
> So, the current upload has some new stuff, hopefully without too many
> side effects, but if so, we'll deal with it as usual. As a result, the
> latest lmtx could be a little slower, but I wonder if someone will
> notice it in practice.
> Hans
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