[luatex] quote around filename leads to error

[Hans Hagen]

On 3/30/2016 10:00 PM, Ulrike Fischer wrote:
> The following document works fine with pdflatex but gives an error
> with lualatex (the icc-file is part of the pdfx package).
>
> The source of the problems are the quotes around the file name.
> Without them the document works fine.
>
> \documentclass{minimal}
> \immediate\pdfobj stream attr{/N 3^^J/Alternate/DeviceRGB}
> file{"sRGB_IEC61966-2-1_black_scaled.icc"} %error
>
> %\immediate\pdfobj stream attr{/N 3^^J/Alternate/DeviceRGB}
> % file{sRGB_IEC61966-2-1_black_scaled.icc} %works
>
> \begin{document}
>    Hello World!
> \end{document}
>
> ! LuaTeX error (ext5): cannot open file for embedding.
> l.10 ...}
> file{"sRGB_IEC61966-2-1_black_scaled.icc"}
>
> %error
>
>
> This is LuaTeX, Version beta-0.80.0 (TeX Live 2015/W32TeX) (rev
> 5238)
>
> Is this a bug or aren't quotes allowed around file names? Are the
> quotes actually needed here or are spaces in file names protected by
> the braces?

indeed spaces are protected by the { } so no quotes here

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