Merge remote-tracking branch 'origin/release/20.04'

generators/djvu/kdjvu.cpp

@@ -670,8 +670,8 @@ bool KDjVu::openFile( const QString & fileName )
     if ( d->m_djvu_document )
         closeFile();
 
-    // load the document...
+    // load the document..., use UTF-8 variant to work on Windows, too, see bug 422500
-    d->m_djvu_document = ddjvu_document_create_by_filename( d->m_djvu_cxt, QFile::encodeName( fileName ).constData(), true );
+    d->m_djvu_document = ddjvu_document_create_by_filename_utf8( d->m_djvu_cxt, fileName.toUtf8().constData(), true );
     if ( !d->m_djvu_document ) return false;
     // ...and wait for its loading
     wait_for_ddjvu_message( d->m_djvu_cxt, DDJVU_DOCINFO );