[tex-live] epTeX weirdness with \numexpr

[Joseph Wright]

On 03/05/2018 08:37, Philip Taylor (RHUoL) wrote:
> OK, that helps.  In that case, I can provoke a \BAD, but only by 
> stepping past the first error :
> 
> D:\TeX\Projects\Misc>platex untitled-1
> This is e-pTeX, Version 3.14159265-p3.8.0-180226-2.6 (utf8.sjis) (TeX 
> Live 2018/
> W32TeX) (preloaded format=platex)
>   restricted \write18 enabled.
> entering extended mode
> (./untitled-1.tex
> pLaTeX2e <2018-04-01>+1 (based on LaTeX2e <2018-04-01> patch level 2)
> Babel <3.18> and hyphenation patterns for 84 language(s) loaded.
> ! Missing ) inserted for expression.
> <to be read again>
>                     \relax
> l.2 \message{\test{ 0 + ( 1 + 2 }
>                                   }
> ?
> 3
> ! Missing ) inserted for expression.
> <to be read again>
>                     \foo \BAD.
> l.5 \message{\test{ 0 + ( 1 + 2 }
>                                   }
> ?
> 
> Philip Taylor

Good: we all agree it happens :)

(In my real case, the TeX run is automated and so stepping past the 
error is not an issue. What is is that the .log file is different from 
the pdfTeX reference version.)

Joseph