Do not rely on displayedText() when determining if a table cell is blank
Do not rely on displayedText() when determining if a table cell is blank

chrys87/orca-beep,pvagner/orca,chrys87/orca-beep,pvagner/orca,GNOME/orca,GNOME/orca,chrys87/orca-beep,GNOME/orca,pvagner/orca,chrys87/orca-beep,pvagner/orca,GNOME/orca