Borrowed a copy of: Smalltalk-80: The Language and Implementation. It's a good book, but it's funny to read an explanation of mouse usage!
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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.
On thinking of books like software, treating them as evolving artifacts, and URLs versus paper book publishers: https://cs.brown.edu/~sk/Memos/Books-as-Software/
In praise of Tcl, and reflecting on syntax features for a good command shell: https://yosefk.com/blog/i-cant-believe-im-praising-tcl.html