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- Perl Cannot Be Parsed: A Formal Proof (2008) http://www.perlmonks.org/?node_id=663393 12 comments
- Perl Cannot Be Parsed: A Formal Proof (2008) http://www.perlmonks.org/index.pl?node_id=663393 38 comments
- Perl Cannot Be Parsed: A Formal Proof http://www.perlmonks.org/?node_id=663393 52 comments
- Perl Cannot Be Parsed: A Formal Proof http://perlmonks.org/?node_id=663393& 124 comments programming
- Parsing Perl 5 is Undecidable: A Formal Proof http://perlmonks.org/?node_id=663393 53 comments programming