[Poppler-bugs] [Bug 105081] New: (regression) pdftocairo damages this PDF when converting to PS or PDF

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105081

            Bug ID: 105081
           Summary: (regression) pdftocairo damages this PDF when
                    converting to PS or PDF
           Product: poppler
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: cairo backend
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: korobkin+lpad at gmail.com

This seemingly valid PDF gets curiously broken, when converted by pdftocairo
into level 3 PS or PDF, letters i and l are missing from the result. 

Cairo 1.14.12, poppler-utils 0.53.0, both commands produce a resulting PDF or
PS where letters i and l are missing:

pdftocairo -ps -level3 isandlsmissing.pdf is-cairo53.ps
pdftocairo -pdf isandlsmissing.pdf is-cairo53.pdf

Same commands produce correct files on Ubuntu 14.04, cairo 1.13.1,
poppler-utils 0.24.5.

pdftocairo -ps -level3 isandlsmissing.pdf is-cairo24.ps
pdftocairo -pdf isandlsmissing.pdf is-cairo24.pdf

Original PDF was validated with Adobe Pro DC, no syntax errors found. Here is
the report. 

Preflight Summary Report for: isandlsmissing.pdf
Profile: Report PDF syntax issues (Processed pages 1 to 1)
Results (Summary): No problems found

File name: "isandlsmissing.pdf"
PDF version number: "1.7"
File size (KB): 59.2
Creator: "PDFium"
Created: "2/13/2018 2:48 PM"
Trapping: "Unknown"
Preflight, 15.2.0 (199)
Acrobat version: 18.90


Also attached are PDF and PS results produced by pdftocairo version 0.24.5
(is-cairo24.ps, pdf) and version 0.53.0 (is-cairo53.pdf,ps)

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