If you really want to be considerate of your users, you can release a new version that issues warnings every time your next version would behave differently. 
warn "Next version of Module::Unknown will die instead of returning un
+def.\n";
return undef;

[download]

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

In reply to Re: Minor API changes in 10-year-old module by choroba
in thread Minor API changes in 10-year-old module by wanna_code_perl

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