$(reverse)

[積丹尼 Dan Jacobson]

Maybe implement $(reverse)

A = a b c d e
x:
        echo $(reverse, $A)
Would give
e d c b a

or at least at

(Info-search "reverse")

   This macro simply reverses its arguments:

     reverse = $(2) $(1)

     foo = $(call reverse,a,b)

mention how to reverse a whole list.