[Poppler-bugs] [Bug 79897] New: Bad PostScript out of not so bad PDF

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79897

          Priority: medium
            Bug ID: 79897
          Assignee: poppler-bugs at lists.freedesktop.org
           Summary: Bad PostScript out of not so bad PDF
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: korobkin+lpad at gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: general
           Product: poppler

Attached PDF with Vietnamese text is rendered nicely in Evince, GhostScript,
and AcroRead. It seemingly has some errors in the way the fonts are embedded,
but PDF viewers treat it nicely. 

However, I cannot produce printable level3 PostScript out of it: printer (Ricoh
with embedded Distiller) says "invalidfont" and chokes on the first page right
away.  

I'm attaching the output of 

pdftocairo -ps -level3 
pdftops -level3

I'm also attaching the output of Adobe Pro: after converting this file, it
produces PostScript that is readable by printers (no wonder, same vendor for
both engines). 

Could anything be done to improve the PostScript output with bad files like
this one?

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