rem: if (font)
add: if (font && *font)
context: storeData(_Panel *panel){    int i;    WMMenuItem *item;    for (i= 0; i < WMGetPopUpButtonNumberOfItems(panel->optionP); i++)    {        char *font;        item= WMGetPopUpButtonMenuItem(panel->optionP, i);        font= WMGetMenuItemRepresentedObject(item);        if (font)        {            SetStringForKey(font, fontOptions[i].option);        }    }}