Jörg-Volker Peetz <jvpe...@web.de> writes:
> Hi Kanru,
>
> thank you for looking into this. As you may have noticed, this kind of PDF
> files
> are produced from a german bank for their account statements.
> Their argument for not looking further into this is the normal "Windows
> doesn't
> have this problem".
>
> Kan-Ru Chen (陳侃如) wrote on 10/03/2014 19:45:
>> Hi,
>>
>> Jörg-Volker Peetz <jvpe...@web.de> writes:
>>
>>> Package: mupdf
>>> Version: 1.5-1+b1
>>> Severity: normal
>>>
>>> Dear Kan-Ru Chen,
>>>
>>> the problem occurs for a special pdf-file (generated by iText v 2.0.8 on
>>> a windows system, I suppose). I've attached the file. Searching for the
>>> word "monat" does not find all occurrences of the word, but searching
>>> for "onat" does. The pdf-file is displayed correctly, only searching
>>> (and extracting the text) fails. It's a strange problem which, I have
>>> to admit, also occurs with the poppler derived viewers and in
>>> iceweasel. The only common library used by these tools is libfreetype6.
>>
>> I think the PDF file contains a incorrect /ToUnicode CMap which maps 'M'
>> to 'j'. You could try to search "jonat" which will match the "monat"
>> glyphs.
>>
>
> Can you tell me which part, which library is interpreting this /ToUnicode
> CMap?
The PDF renderer. So MuPDF is just interpreting what was put in the pdf
file. Maybe Acrobat-reader ignores the CMap somehow.
PDF rewriting usually strips this kind of information, so this pdf file
could be "repaired" by this command (install ghostscript first)
ps2pdf iText-2.0.8-example.pdf fixed.pdf
>>> Under windows the search in Acrobat-reader works.
>>
>> I'm not sure how Acrobat-reader do that.
>>
>>> Do you have any idea what may be the problem?
>>> Feel free to close the bug or re-assign it to another package.
>>
>> Maybe the pdf-file generating process has issues.
>>
>> Kanru
>>
> Best regards,
> Jörg-Volker.
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