changed added deleted off ltr rtl lro rlo left right center top middle bottom click double-click press seq simul other preserve 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 left right center top middle bottom top bottom left right opt req plain norepeat repeat opt req plain norepeat repeat opt req class interface opt req plain norepeat repeat graphicdesigner productioneditor copyeditor technicaleditor translator other uri doi isbn isrn issn libraryofcongress pubnumber other isversionof hasversion isreplacedby replaces isrequiredby requires ispartof haspart isreferencedby references isformatof hasformat othertype dcmipoint iso3166 dcmibox tgn otherspatial dcmiperiod w3c-dtf othertemporal corporation nonprofit consortium informal other graphicdesigner productioneditor copyeditor technicaleditor translator other service trade registered copyright hardware software name table field key1 key2 record index view primarykey secondarykey foreignkey altkey procedure datatype constraint rule user group headerfile partition devicefile libraryfile directory extension symlink alt control shift meta escape enter tab backspace command option space delete insert up down left right home end pageup pagedown other limit cartridge cdrom disk tape command function option command function option parameter attribute attvalue element endtag emptytag genentity numcharref paramentity pi xmlpi starttag sgmlcomment prefix namespace localname limit constant daemon domainname etheraddress event eventhandler filesystem fqdomainname groupname ipaddress library macro netmask newsgroup osname protocol resource systemname username process server service article book chapter part refentry section journal series set manuscript cdrom dvd wiki gopher bbs emailmessage webpage newsposting service trade registered copyright all global local preferred normal singular startofrange endofrange