Interesting comment about the relevance of Common Lisp to Emacs users: https://lists.gnu.org/archive/html/emacs-devel/2013-07/msg00765.html -- I wonder how many Emacsers know CL?
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Sometimes programming tools are so good that you miss them when using other languages. I see these mentioned the most frequently:
* IntelliJ (for Java)
* Slime+Emacs (for Common Lisp)
* Pharo (for Smalltalk)
I'm struck that they all have bespoke UIs.
One interesting design choice in Emacs that I haven't seen in other editors: reserved shortcuts.
An Emacs extension shouldn't use F5 through F12, or Ctrl-c LETTER. This lets users configure their own shortcuts. https://www.gnu.org/software/emacs/manual/html_node/emacs/Key-Bindings.html
Does it exist elsewhere? I miss it in VS Code, where e.g. all the Fn keys are already assigned.
I've released difftastic 0.65! Highlights of this release:
* Better parsing of Clojure, Common Lisp, Kotlin, Rust and Zig.
* Quality of life improvements for binary files.
https://github.com/Wilfred/difftastic/releases/tag/0.65.0