new options can be defined, or existing ones modified, using
one or more arguments of the form 'name = value' or by
passing a list of such tagged values. Existing values can be
retrieved by supplying the names (as charact
Details
These functions are direct copies of the lattice equivalents:
see lattice.options.
The available options can be seen with str(playwith.options()).
Most of these simply provide defaults for corresponding arguments
to the playwith function.