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    $ perl -Mstrict -Mwarnings -le 'my $x = []; print ref($x) eq "ARRAY" ?
+ q{aref} : q{other}'
aref
  2. or download this
    $ perl -Mstrict -Mwarnings -le 'my $x = []; print ref($x) eq “ARRAY” ?
+ q{aref} : q{other}'
Unrecognized character \xE2; marked by <-- HERE after ef($x) eq <-- HE
+RE near column 30 at -e line 1.