Il 22/gen/2016 10:16, "Patrick Gundlach" <[email protected]> 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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