Maxima Function
makebox (expr)
Display expr in the same manner as show; however, any tensor d'Alembertian occurring in expr will be indicated using the symbol []. For example, []p([m],[n]) represents g([],[i,j])*p([m],[n],i,j).
show
[]
[]p([m],[n])
g([],[i,j])*p([m],[n],i,j)