http://www.perlmonks.org?node_id=159055


in reply to WWED
in thread The One True Style of indentation:

Actually, that's ambiguous...

M-x cperl-set-style Enter style: <TAB> BSD CPerl GNU PerlStyle C++ Current K&R Whitesmith

So, Emacs Would Do one of the seven/eight styles above, depending on how it's customized. :-)