[luatex] New \pdf... primitives

[David Carlisle]

On 17 November 2015 at 00:51, Hans Hagen <pragma at wxs.nl> wrote:
> On 11/17/2015 1:35 AM, David Carlisle wrote:
>
>> !  ==> Fatal error occurred, no output PDF file produced!
>>
>> so no ? prompt or recovery, it just stops.
>
>
> in fact such errors being fatal is true for most backend related errors
> which normally are not recoverable (and seldom used by users) ... in the
> current version errors and warnings are at least now all using the same
> methods (so we have tex errors, with this prompt, backend/lua warnings and
> tex/backend/lua errors where the later quits the run (as one has to fix
> something fundamental)
>
> Hans

hmm at that point it's just expansion in an edef so not really expecting
to get any "back end" interaction at all, and certainly not a fatal error.





David