F_ELEMENTWIDTH="Element width (px)"
F_ICONFALSE="Icon for False value"
F_ICONTRUE="Icon for True value"
F_LABELFALSE="Label for False value"
F_LABELTRUE="Label for True value"
F_VIEWFORMAT="View format"
F_DEFAULVAL="Default value"
XML_OPT_NOVAL="No default"
XML_OPT_VALTRUE="True"
XML_OPT_VALFALSE="False"
XML_OPT_BOTH="Both"
XML_OPT_ICON="Icon"
XML_OPT_LABEL="Label"
F_NOVAL="FALSE value mode"
F_NOVALDESCR="How to calculate and filter articles with false falue."
XML_OPT_FVALL="Articles with FALSE value and without value"
XML_OPT_FVVAL="Articles with FALSE value"