do***entation

What are good guidelines for do***entation of my prolog
programs? And when do***enting a predicate, I am assuming that a + signifies
that the variable must be instantiated, a - signifies that it need not be.
Is this correct and are there other symbols I am not aware of?

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1 28th February 02:27 dale patterson External User Posts: 1	doentation* What are good guidelines for do*entation of my prolog programs? And when do*enting a predicate, I am assuming that a + signifies that the variable must be instantiated, a - signifies that it need not be. Is this correct and are there other symbols I am not aware of?