Jaccia has the property that, when started from this condition (entire

maze filled with slime cells), the automaton will eventually reach a

-fixed point (steady state) which contains all possible paths from food

+fixed point (steady state) which contains all possible orthogonal paths

+from food to food. (Orthogonal paths means, a diagonal isn't considered

Jacciata is similar, but has the property that when it reaches a fixed

point, it will contain the *shortest* path from food to food, if such a

path exists and is unique. If no such path exists, or is not unique, the

result is undefined. It is otherwise similar to Jaccia.

-The behaviour of both automata is also undefined if the slime

-configurations are not orthogonal (that is, if there are any diagonal

-Both Jaccia and Jacciata are defined in ALPACA v~~0.94~~. Jaccia is defined

+Both Jaccia and Jacciata are defined in ALPACA v1.0. Jaccia is defined

in the file `jaccia.alp` and Jacciata in `jacciata.alp`. The ALPACA

definition is authoritative; what is given here is merely advisory.

exploratory shoot that looks for solutions, and so on. It could probably

be made more elegant with some work.

-The definition of these automata in ALPACA suggests some possible

-improvements to that meta-language, particularly the definition of

+[New in 1.1] The definition of these automata in ALPACA 0.94 suggested some

+possible improvements to ALPACA, particularly the definition of

neighbourhoods different from the assumed von Neumann neighbourhood, and

-their use in the count operator.

+their use in the count operator. The Jaccia and Jacciata descriptions were

+rewritten in ALPACA 1.0, and do now take advantage of these features in order

+to be written more succinctly.

Happy intelligence! Such as it is.