sbcl-source - 2:2.2.9-1 main

This package provides the source code for SBCL -- a development
environment for the ANSI Common Lisp language.
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The source code is useful in conjunction with development
environments and debuggers like SLIME, that allow macro expansion and
lookup of source definitions.
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Installing this package enables your source browser to dig deeply
into the core of Steel Bank Common Lisp.