Common Lisp Style Checker (link)

Enforcement of my guidelines for common lisp style.

If you like, you can download it

Syntax Checking Rules (link)

• Elements on new line in each form must be indented the same amount
• No space/newline after open parens
• No form longer than 50 lines
• Top level multiline forms must be separated by exactly one space
• No line longer than 120 characters
• No use of unexported symbols in other packages
• No tabs
• Only one space between elements in a form on a single line
• in-package must be first line in file unless file is package.lisp
• No whitespace at end of line
• No lines that are only whitespace
• No empty lines at end of file
• Never have two empty lines in a row
• Only one in-package per file
• No hanging close parens
• If specified, a matching copyright notice must be at the top of the file

Exceptions

• comments
• multiline strings
• exclude in-package check from package.lisp