Why is *print-circle* set to T by default? WAS: grinding, etc.

>>>>> "Raymond" == Raymond Toy <toy.raymond at gmail.com> writes:

    Raymond> On 3/23/11 12:26 PM, Stavros Macrakis wrote:
    >> Of course it is possible to create bad cases.  But in realistic
    >> Maxima use, the only commonly-encountered circular list
    >> structure is the 'assume' database (data property).
    >>
    >> A little experimentation shows that *print-level* = 14 gives a
    >> fairly reasonable (though somewhat redundant) display, and
    >> *print-length* = 100 is fine.
    >>
    Raymond> Ok, let's say 100 and 15, as reasonable values for
    Raymond> *print-length* and *print-level*.

Done.  If someone wants to change these defaults to something else, go
ahead.  The important part (*print-circle* nil) is done. :-)

Ray