I've just checked whether the issues written in my prevoius message persist
under stable version of maxima-5.9.0.
The issue with integral persists for clisp and cmucl.
For itensor package clisp implementation (for clisp-2.31) does not pass
"itensor.dem). It breaks on decsym operator with the foolowing diagnostic
C91) DECSYM(A, 3, 0, [ANTI(ALL)], [])
2nd and 3rd arguments must be non-negative integers
-- an error. Quitting. To debug this try DEBUGMODE(TRUE);)
best rgds,
Valery