in reply to Comparing graph shapes or soft matching.

What do you mean by "line up"? Can you give an example of normal behaviour versus the behaviour that should be reported?

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In Section Seekers of Perl Wisdom