使用于autocad的lisp源码，里面共有两个命令，其中mlhy用于加粗当前层中所有4号或7号颜色的线，mlchgw用于加粗所选择的所有线。-Autocad source code used in a lisp, which consists of two commands, which mlhy for bold all current layer 4 or 7 color line, mlchgw bold choice for all the lines.

用BCB编程的LisP解释器可直接在线输入，包含程序源码-BCB programming LISP interpreter can be directly entered online, including program source code

信CAD工具箱源码,对与用lisp开发CAD的朋友有帮助-CADsouceprogram,Computer aided design

一个非常简单的c语言实现的lisp的解释器的源码，供学习之用(A very simple C language implementation of the LISP interpreter source code for learning)