Bareword found where operator expected at pod-in-structure.pl line 7, near ""a" key"
        (Missing operator before key?)
Bareword found where operator expected at pod-in-structure.pl line 15, near ""b  key"
        (Missing operator before key?)
syntax error at pod-in-structure.pl line 7, near "(

="
Execution of pod-in-structure.pl aborted due to compilation errors.