%{SOURCEn} versus $RPM_SOURCE_DIR

[Jason L Tibbitts III]

>>>>> "IV" == Ignacio Vazquez-Abrams <ivazquez at ivazquez.net> writes:

IV> %{SOURCE1} will always refer to Source1 regardless of what "blah"
IV> may be. It's also more concise.

That I agree with, but I guess what I'm really asking is whether use
of $RPM_SOURCE_DIR is any kind of impediment to package acceptance.
I'm reviewing a package that uses it and frankly I hadn't seen it
before.  The wiki has no info.

 - J<