Re: Errors in source files return success

[Hans Hagen via ntg-context <ntg-context@ntg.nl>]

On 12/15/2021 9:16 PM, Marco Patzer via ntg-context wrote:
> On Wed, 15 Dec 2021 20:48:29 +0100
> Hans Hagen <j.hagen@xs4all.nl> wrote:
> 
>> You can check in the next upload:
>>
>> - The 'failure' that you saw was actually a real lua error because I
>> hadn't adapted some fancy, a very old 'around' 2006 feature, seldom
>> used as it's more 'an example of possibilities' code to luametatex
>> yet ... fwiw, we still share some lua files between engines.
> 
> Thanks for looking into that. I'll check the next upload.
> 
>> - Afaiks you should now get return code 1 for other cases (say you
>> give \foo without meaning). It's a it tricky as this info has to pass
>> through several subsystems.
> 
> Hard TeX errors (like \undefined) already return 1.
> 
>> - The runaway error is actually kind of special (there are a few
>> more) where the engine simply quits in confusion and doesn't exit
>> hard as error (often because tex could somehow recover). If needed I
>> can actually do a real error but it's not entirely compatible then
>> (not that i care that much about compatibility in these shady areas.)
> 
> I'd vote to handle those as hard errors because
> 
>    1) Luametatex isn't focused on compatibility.

ok, but let's first test this ... it's mostly cosmetics (read: come up 
wiht a better error message than the default sometimes unclear tex one)

>    2) The user explicitly requested error reporting (by providing --errors).

>    3) No one is recovering tex runs these days.
indeed, makes no sense (it all dates from (paper) terminals and 
night-time runs .. the good old 300 baud transfer days)

Hans

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