[tex-live] epTeX weirdness with \numexpr

[Philip Taylor (RHUoL)]

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
--------
Joseph Wright wrote:
>
> You need to run "platex": this always *requires* e-TeX so is not 
> called "eplatex"! If you want to do it 'by hand'
>
>     eptex --fmt=platex <.tex file>
>
> Joseph
>