Hello everybody,

In #18289 [2], Volker is improving the Notebook interface by making
some objects be automatically plotted by __repr__ [1]

    graphs.PetersenGraph() # this graph is plotted

or

    P = posets.ChainPoset(10) # no plot
    P # here, P is plotted

So far he only implemented it for graphs (with <20 vertices), but more
objects should be added to the list. For instance:

- Posets
- Finite State Machine
- Permutations (?)
- Crystals (?)

Basically everything that has a .plot() command can appear there. I
expect that you would like some trees to be plotted too. Like
DyckWords, or something.

Whoever you are, name here the objects which you think should be
plotted (with some condition ensuring that the plot is 'small')

Thanks,

Nathann

[1] This is an oversimplification. Let us just say that whenever you
expect __repr__ to be called, you will see a drawing instead. The
actual mechanism is more complicated.
[2] http://trac.sagemath.org/ticket/18289#comment:87

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