the motivation for designing Perl 6 in an O'Reilly article.
"Perhaps the biggest imperfection of Perl 5 is its internals. Though much of the design is clever, there are also places of obsolescence and interdependence, as well as optimizations that no one remembers, but no one can delete without affecting too many other parts of the system. Refactoring an eleven-plus-year-old software project that runs on seventy-odd platforms and has to retain backwards compatibility with itself on many levels is daunting, and there are few people qualified to do it. It's also exceedingly difficult to recruit new people for such a task.
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