adambard/learnxinyminutes-docs — pull request #589 by jorams (2014-04-03 08:42:38+00:00)
Title: [common-lisp/en] Fix invalid characters for Common Lisp symbols

The characters [ ] { and } are perfectly fine to use in variable names.

```lisp
(defparameter b{l}a[b[l]]a "test") ; => B{L}A[B[L]]A
b{l}a[b[l]]a ; => "test"
```