[Okular-devel] [okular] [Bug 334068] New: Failed to find a string occurence in a PDF document, but other readers find it successfully

[Dmitry]

https://bugs.kde.org/show_bug.cgi?id=334068

            Bug ID: 334068
           Summary: Failed to find a string occurence in a PDF document,
                    but other readers find it successfully
    Classification: Unclassified
           Product: okular
           Version: 0.18.3
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: dubinin2004 at gmail.com

In the following document:
http://ww1.microchip.com/downloads/en/devicedoc/61143h.pdf I'm trying to find
the string "tad". Okular returns 0 results, but I've tried Evince, Foxit
Reader, Acrobat Reader: all of them returns several results: at the page 124,
181, 182, 183, etc.   While trying, I've found out that I can search "t ad"
(i.e. add a space), and then okular founds some garbage items plus real
occurences. Please note this is NOT an acceptable workaround: I need to be sure
that my reader is able to find what I need without any "hacks": I don't know
what else it is unable to find.

Reproducible: Always

Steps to Reproduce:
1. Download a file I specified:
http://ww1.microchip.com/downloads/en/devicedoc/61143h.pdf (this is microchip
microcontroller datasheet)
2. Open it in Okular
3. Try to find string "tad" (without quotes) - there will be 0 results
4. Open the same file in Evince (or Foxit Reader, or Acrobat Reader)
5. Try to find the same string "tad" - there will be several occurences.
Actual Results:  
Okular doesn't find the string "tad" in this document, but other readers do.

Expected Results:  
Okular should find occurences of "tad" string.

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