matt@eustathios ~ $ urxvt -v
urxvt: "v": unknown or malformed option.
rxvt-unicode (urxvt) v5.3 - released: 2005-03-13
options: xft,styles,combining,iso14755,unicode3,encodings=eu+vn+jp+jp-ext+kr+zh+zh-ext,fade,XPM,transparent,tint,utmp,XIM,scrollbars=plain+rxvt+NeXT+xterm,frills,24bit,selectionscrolling,wheel,slipwheel,smart-resize,cursorBlink,pointerBlank,XGetDefaults
Usage: urxvt [-help] [--help]
 [-display string] [-tn string] [-geometry geometry] [-C] [-iconic] [-/+rv]
 [-/+ls] [-/+j] [-/+ptab] [-/+sb] [-/+sr] [-/+st] [-sbt number] [-/+si]
 [-/+sk] [-/+sw] [-/+ip] [-/+ipf] [-tint color] [-fade %] [-sh %] [-/+ut]
 [-/+vb] [-/+tcw] [-/+insecure] [-/+bc] [-/+pb] [-bg color] [-fg color]
 [-cr color] [-pr color] [-pr2 color] [-bd color] [-pixmap file[;geom]]
 [-fn fontname] [-fb fontname] [-fi fontname] [-fbi fontname] [-im name]
 [-pt style] [-imlocale string] [-imfont fontname] [-name string]
 [-title string] [-n string] [-sl number] [-embed windowid] [-pty-fd fileno]
 [-w number] [-b number] [-/+bl] [-lsp number] [-mod modifier] [-/+ssc]
 [-/+ssr] [-e command arg ...]