Option variable
lispdispDefault value: false
When lispdisp is true,
Lisp symbols are displayed with a leading question mark ?.
Otherwise,
Lisp symbols are displayed with no leading mark.
Examples:
(%i1) lispdisp: false$ (%i2) ?foo + ?bar; (%o2) foo + bar (%i3) lispdisp: true$ (%i4) ?foo + ?bar; (%o4) ?foo + ?bar