''There is a common complaint about LispLanguage's notation (EssExpressions), of nested parenthesis, as being unnatural and difficult to read.'' 

''In defense, long time lisp programers, often counter, that it is a matter of conditioning, and blame the use of “inferior” text editors which are not designed to display nested notations. See in the following, a description of how lisp notation can be a problem:'' 
* http://xahlee.org/UnixResource_dir/writ/notations.html 
** Or don't. I found three factual errors before hitting page down. Xah Lee is known for his ranting about Lisp.

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CategoryLisp