[dvipdfmx] Intermittent xdvipdfmx failure

Philip Taylor P.Taylor at Hellenic-Institute.Uk
Mon Jan 25 14:31:55 CET 2021


/Arigato gozaimasu/, Hirata-san. I seem to recall that someone (perhaps 
David Carlisle, or another member of the LaTeX team) asked for a way to 
generate 100% identical PDF files for the purposes of regression 
testing, so I will search back in the archives to see if I can locate 
the thread and then add the necessary additional command-line 
qualifier(s) required to accomplish this.

/Philip Taylor
--------
/Shunsaku Hirata wrote:
> Thanks for sending me the files.
>
> I verified the provided files and found that there are no problems.
> The only difference other than that I mentioned before is how ID
> strings are encoded: hex strings or literal PDF strings.
> (Sorry I hadn't noticed that such differences can occur)
>
> I don't remember it very well but there is a way to generate the
> same IDs for all generated PDF files. By doing so the outputs
> should be of the same number of bytes.
>
> Thanks,
> Shunsaku Hirata

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