[tex-live] epTeX weirdness with \numexpr

[Joseph Wright]

On 02/05/2018 23:08, Philip Taylor (RHUoL) wrote:
> Using XeTeX, I get a fatal error early on :
> 
>> This is XeTeX, Version 3.14159265-2.6-0.99999 (TeX Live 2018/W32TeX) 
>> (preloaded format=xetex)
>>
>> restricted \write18 enabled.
>>
>> entering extended mode
>>
>> (./untitled-1.tex
>>
>> ! Missing ) inserted for expression.
>>
>> <to be read again>
>>
>> \relax
>>
>> l.2 \message{\test{ 0 + ( 1 + 2 }
>>
>> }
>>
>> ?
>>
> Philip Taylor

That's the expected outcome: with pTeX there's an extra \BAD.

Joseph