And Now for Something Completely Parenthetical
A web page loads. A <script type="text/lykn"> tag contains s-expressions. The browser has never seen this content type. But a shim script loaded earlier recognizes it, compiles it to JavaScript, and executes the result.
The page updates.
“Did a Lisp just run in the browser?”
“It compiled to JavaScript first.”
“In the browser?”
“In the browser.”
The parentheses have arrived. The book’s title — thirty-two chapters in the making — is justified.