* Programming language: Lisp. One of the most important programming languages, and probably the most important if we discuss parentheses. * Author: John McCarthy, the creator of Lisp.
* Article: Recursive Functions of Symbolic Expressions, Communications of the ACM, April 1960, probably the most important article on Lisp. * Place: definition of arguably the most important function ever: eval.
The holiest place for programmers not afraid of parentheses!
Yet, parentheses do not match there.
This is not typical Lisp S-expression, it is so called "meta expression". Here is original version of the article:
And here is the same mismatch in the version retyped using Latex.
I'll not say where is the error. I'll leave you to play with that. Here is the text, so you can copy and paste it in your editor. The simplest way to check my claim that there is an error is that your editor counts left and right brackets. Notepad++ says there are 68 left and 66 right brackets here.