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  1. or download this
    strict refs 

...
    &$bar;

is allowed so that goto &$AUTOLOAD would not break under stricture.
  2. or download this
    >perl -Mstrict -e "sub walk {} sub run {} my $walkable = defined(&{'wa
+lk'}); my $runnable = &{'run'};"
Can't use string ("run") as a subroutine ref while "strict refs" in us
+e at -e line 1.