xstdcmap -version (return code: 0)
xstdcmap 1.0.3
xstdcmap --help (return code: 1)
usage: xstdcmap [-options]
where options include:
-all make all standard colormaps for the display
-best make the RGB_BEST_MAP
-blue make the RGB_BLUE_MAP
-default make the RGB_DEFAULT_MAP
-delete name remove a standard colormap
-display dpy X server to use
-gray make the RGB_GRAY_MAP
-green make the RGB_GREEN_MAP
-red make the RGB_RED_MAP
-verbose turn on logging
-version print version info