Glenn Cole ([log in to unmask]) wrote:
: I verified that this calling sequence (A->B->A) is supported
: without warning of any kind, and it works just fine.

I guess this is academic, but remember that "is supported" and
"works just fine" are orthogonal concepts.  In particular,
"works just fine" does not imply "is supported".  Nor does it
imply "will work just fine in the next release"!

Walter Murray