>>>>> "Richard" == Richard Fateman writes:
Richard> This tactic would convert the bug "Maxima asks the sign
Richard> of an expression including newly-generated symbols" into
Richard> the feature "Since some program erroneously asks for the
Richard> sign of an expression including... , we will signal an
Richard> error." What we want to do is fix the program that asked
Richard> the question!.
Well, yes, that is the best solution. I'm not exactly sure how to go
about it.
Richard> Usually when Maxima asks "Is G00111 positive, ..." I
Richard> respond that it is positive, simply because it would
Richard> otherwise be -G00111, right??
I don't think so, at least it doesn't seem to for me with the
hypergeometric functions. Sometimes I ask for the sign of 1-v, but
the interactive query is if v-1 is pos, neg, or zero.
Ray