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Parsing

Markdown parser

“.*” is a context-free grammar for Markdown

— http://trevorjim.com/a-specification-for-markdown/ ↗

Here is interesting case. Markdown is very popular markup language - yet it doesn’t have formal grammar.

Instead it has example of parsing implementation or parsing specification ↗.

Here we are 60 years after grammar and parsing research started and people can’t figure out how to write a general parser, instead of ad-hoc approach.

This would be an interesting challenge for general parser, like Earley or PwZ: Parsing with zippers.