-alldirections/+alldirections
-background file
-backup value
-c value
-fontfile filename
-lelement command-line
-lfile command-line
-lfont command-line
-lg layergroups
-libname filename
-libpath path
-llib command-line
-llibcont command-line
-loggeometry geometry
-pnl value
-pz value
-reset/+reset
-ring/+ring
-rs string
-s/+s
-save/+save
-sfile command-line
-script filename
-size <width>x<height>
-v value
XBell()
and
must be in the range -100..100.