AutoLISP is a scripting language for AutoCAD, a well known CAD package.
and ACOMP. There's no special AutoLISP newsgroup.
but please don't bother comp.lang.lisp.
(for location see [A.1]), there's also a Winhelp file.
 The Future of AutoLISP? Should I learn it or VB instead?
[0.1] What changed with AutoCAD 2000?
[0.2] We cannot create ARX anymore?
 Where can I find AutoLISP routines on the Internet?
[1.1] Are the comp.cad.autocad articles stored somewhere?
 What are the best books to learn AutoLISP?
 How do I debug AutoLISP programs?
 How to AUTOLOAD my programs?
arguments to a LISP function?
|     How can I avoid stack overflows?
 (command "ROTATE3D") does not work! Why?
 How to export Visual Lisp functions to AutoLISP/AutoCAD?
[21.8] How to write XYZ data of selected objects to a file?
[22.1] How to access block attributes?
[22.3] How to UPDATE block attributes?
[23.1] How to access polyline VERTICES?
[23.2] How to JOIN multiple lines to polylines?
[23.5] How to calculate the LENGTH of polylines?
[23.6] How to revert the polyline direction?
[23.7] How to get the CENTER of a polyline?
 How to break a command in LISP?
[27.1] How to do an unlimited number user prompts?
 How to decode ACIS internal geometry with Lisp?