The odd one-liners might be due to shell quoting... Can you get the same deparsed output with a regular script?

$ perl -Mstrict -MO=Deparse -le 'print nono .'1' '
print nono 0.1;

$ echo "print nono .'1' " > oneliner
$ perl -Mstrict -MO=Deparse -l oneliner 
print 'nono' . '1';
[download]

-Blake