gcl27-doc 2.7.0-20 (s390x binary) in ubuntu noble

 GNU Common Lisp (GCL) is a Common Lisp compiler and interpreter
 implemented in C, and complying mostly with the standard set
 forth in the book "Common Lisp, the Language I". It attempts
 to strike a useful middle ground in performance and portability
 from its design around C.
 .
 This package contains documentation in info format of the
 system internals.