[luatex] Prevent stop when tiff file loads

[luigi scarso]

Il 22/gen/2016 10:16, "Patrick Gundlach" <patrick at gundla.ch> ha scritto:
>
> Hello
>
> > In practice, identifying all image files formats (tiff, png, pdf...)
*should* work with the first 4 bytes of the file (they were designed this
way).
>
> I think I'll go that way, but I still wish (feature request) that LuaTeX
does not fail with a fatal error if an unknown file format is encountered,
instead it would be nice to have something like "return nil, errormessage".
>
> Thanks
>
>    Patrick
>
>
>
Yes, clear.  I will see how pdftex manages these things, could be also a
backward compatibility issue.

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