[erlang-questions] Would this function be tail-recursive?

[Yves S. Garret]

Hi all, it's been some time since I've touched Erlang.  I found this code
and would
like to know if it would be tail-recursive:
http://bin.cakephp.org/view/2084302499

Would loop need to be called at the end of the method or is it fine if it's
called just before end?
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