[texhax] Any crazy math formulas for testing a TeX language interpreter

Joseph Wright joseph.wright at morningstar2.co.uk
Mon Jan 11 22:55:40 CET 2016

On 11/01/2016 20:54, David Carlisle wrote:
> On 11 January 2016 at 20:40, Douglas McKenna <doug at mathemaesthetics.com>
> wrote:
>> All/any -
> Been looking forward to seeing that become public:-)
>> So I'm wondering if > there's some TeX-validation test file, using the
> plain format and not dependent on LaTeX,
> is there any reason not to use latex (in particular does latex.ltx not
> load?)
> I ask as we've done a lot of work over the last couple of years to make the
> core latex regression test suite (that basically runs a set of tests and
> compares normalised log files against stored reference versions)  work with
> multiple engines (currently it passes with (pdf)tex, luatex and xetex (and
> has known behaviour with (u)ptex)
> so it would be interesting to see what happens if you ran the test suite
> with jsbox.
> David

Note that this will need e-TeX. (Aside: I'm be very keen to know about
primitive coverage beyond TeX90, particularly e-TeX, \pdfstrcmp or
equivalent and Unicode-related primitives, in particular \Uchar and
\Ucharcat. See expl3 for why these are important.)


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