Add Graphviz styling example to FAQ and improve handling of unset styling

pytransitions / transitions

A lightweight, object-oriented finite state machine implementation in Python with many extensions

MIT License

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Add Graphviz styling example to FAQ and improve handling of unset styling #668

Closed aleneum closed 1 month ago

aleneum commented 1 month ago

This closes #621.

coveralls commented 1 month ago

coverage: 98.523%. remained the same when pulling 04e6d3338131b7445f256753814edeb5e3428918 on fix-#621 into 2381ad0af1407344be21b06fdba668ada1da5dba on master.