changed added deleted off ltr rtl lro rlo left right center top middle bottom click double-click press seq simul other linespecific numbered unnumbered continues restarts refentry none qanda number none optional required optional required optional required other sect1 sect2 sect3 sect4 sect5 normal compact arabic upperalpha loweralpha upperroman lowerroman inherit ignore continues restarts normal compact inline vert horiz normal compact calspair linecolumn linerange linecolumnpair other calspair linecolumn linerange linecolumnpair other calspair linecolumn linerange linecolumnpair other monospaced normal left right center top middle bottom