Errors

meta_yml_conforms_to_known_spec
Missing mandatory field, 'abstract' (abstract) [Validation: 1.4];value is an undefined string (abstract) [Validation: 1.4]
use_strict
Parse::EBNF::Rule, Parse::EBNF::Token
use_warnings
Parse::EBNF, Parse::EBNF::Rule, Parse::EBNF::Token