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Ancient Roots of BNF

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Post by willwinger » Sat, Jun 29, 2019, 5:25 AM UTC

Ancient Roots of BNF
blogs.scientificamerican.com

Re: Ancient Roots of BNF

Post by watergatorman » Sat, Jun 29, 2019, 6:24 AM UTC

Interesting article.

There is both left and right recursion in the definition of , but this EBNF (Wirth notation) uses iteration only:

number = digit { digit } [ "." digit { digit } ] .