In another thread, I wrote:
. . . commands like -bisect- or -ridder- come to mind. (By
the way, all these do even now is just display--you cannot even get the
solution for workup.)
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Typing -return list-, as I had done, is not as it turns out the way to go
about finding what these commands return. Examining the code for ridder
reveals that the result is returned in a global macro, $S_1.
Joseph Coveney
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