SBCL(Steel Bank Common Lisp) 1.4.7 已发布，Steel Bank Common Lisp (SBCL) 是一款高性能的 Common Lisp 编译器。除了 ANSI Common Lisp 的编译器和运行时系统之外，它还提供了一个交互式环境，包括调试器、统计分析器、代码覆盖工具和许多其他扩展。
SBCL 1.4.7 更新内容：
enhancement: better handling of unknown keyword arguments (#1750466)
enhancement: namestrings can now be computed for certain pathnames that previously did not have namestrings because of #\. characters in their name and/or type components.
bug fix: compiling a SLEEP call with a float positive infinity argument no longer causes an internal error (#1754081)
bug fix: keyword arguments provided to a generic function with EQL-specialized methods are checked more correctly (reported by Syll, #1760987)
更多内容可查阅发行说明
下载地址：http://sbcl.org/platform-table.html
