"Rebol has neither lexical nor dynamic scope" https://blog.hostilefork.com/rebol-vs-lisp-macros/ (interesting design, uses blocks pervasively)
miniblog.
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NLL (non-lexical lifetimes) now landing in Rust!
Emacs tip: add lexical-binding: t to your elisp files. This makes closures easier to reason about and lets the byte compiler find more bugs.
Macros where you have to specify a var name are really clean. They have few hygiene issues, and work with both lexical and dynamic binding!