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a/src/qtgui/preview_w.cpp b/src/qtgui/preview_w.cpp
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    QProgressDialog progress(msg, tr("Cancel"), 0, nsteps, this);
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    QProgressDialog progress(msg, tr("Cancel"), 0, nsteps, this);
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    progress.setMinimumDuration(2000);
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    progress.setMinimumDuration(2000);
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    ////////////////////////////////////////////////////////////////////////
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    ////////////////////////////////////////////////////////////////////////
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    // Load and convert document
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    // Load and convert document
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    // idoc came out of the index data (main text and other fields missing). 
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    // idoc came out of the index data (main text and some fields missing). 
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    // foc is the complete one what we are going to extract from storage.
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    // fdoc is the complete one what we are going to extract from storage.
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    Rcl::Doc fdoc;
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    Rcl::Doc fdoc;
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    int status = 1;
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    int status = 1;
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    LoadThread lthr(&status, fdoc, idoc);
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    LoadThread lthr(&status, fdoc, idoc);
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    lthr.start();
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    lthr.start();
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    int prog;
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    int prog;