-- System variable: plot_options Elements of this list state the default options for plotting. If an option is present in a
plot3d call, that value takes precedence over the default option. Otherwise, the value in
plot_options is used. Default options are assigned by
set_plot_option. There are other local options specific to each plotting command, and not included in this list of global options.
Each element of
plot_options is a list of two or more items. The first item is the name of the option, and the remainder comprises the value or values assigned to the option. In some cases, the assigned value is a list, which may include several items.
get_option and the section on Plotting Options.
(%o1) true (%i2)