All of the documentation for perltidy can be found at
http://perltidy.sourceforge.net
The man page is in pod format appended to the script bin/perltidy.
The man page for use of the module Perl::Tidy.pm is appended to that file.
tutorial.pod - is a short tutorial
testfile.pl - the test file referenced by tutorial.pod
stylekey.pod - is a document to help find parameters for a given style
perltidy.1 - is a man page for installations which do not use Makefile.PL