Thanks for that pdf (new to me), but according to the OP, that pdf doesn't qualify :)(its by the author)

OTOH, UMMF isn't by theDamian.

And FWIW Plosurin (among other) makes use of TheDamians new horse Regexp::Grammars ( RFC: A walkthrough from JSON ABNF to Regexp::Grammars)

In reply to Re^2: Block-structured language parsing using a Perl module? by Anonymous Monk
in thread Block-structured language parsing using a Perl module? by BrowserUk

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