/usr/share/common-lisp/source/ is in cl-metatilities-base 20170403-1.
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/usr/share/common-lisp/source/metatilities-base/
/usr/share/common-lisp/source/metatilities-base/dev/
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/usr/share/common-lisp/source/metatilities-base/dev/l0-utils.lisp
/usr/share/common-lisp/source/metatilities-base/dev/metatilities.system
/usr/share/common-lisp/source/metatilities-base/dev/names.lisp
/usr/share/common-lisp/source/metatilities-base/dev/notes.text
/usr/share/common-lisp/source/metatilities-base/dev/package.lisp
/usr/share/common-lisp/source/metatilities-base/dev/sbcl-warnings.text
/usr/share/common-lisp/source/metatilities-base/dev/set-equal.lisp
/usr/share/common-lisp/source/metatilities-base/metatilities-base.asd