It would probably help a lot if there were a dedicated list for changes to the AST in v0.7, since some packages are implicitly intertwined with the AST, making it difficult to find all the potential issues immediately.
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While some are mentioned in NEWs, the most complete reference doc should be: https://github.com/JuliaLang/julia/commits/master/doc/src/devdocs/ast.md “Surface syntax AST”
Please open PRs to add new content (or at least headers for new content) if you see that it’s missing a section.
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