/usr/share/common-lisp/source/mcclim/ is in cl-mcclim-examples 0.9.6.dfsg.cvs20100315-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/common-lisp/source/mcclim/Examples/
/usr/share/common-lisp/source/mcclim/Examples/bordered-output-examples.lisp
/usr/share/common-lisp/source/mcclim/Examples/calculator.lisp
/usr/share/common-lisp/source/mcclim/Examples/clim-fig.lisp
/usr/share/common-lisp/source/mcclim/Examples/colorslider.lisp
/usr/share/common-lisp/source/mcclim/Examples/demodemo.lisp
/usr/share/common-lisp/source/mcclim/Examples/draggable-graph.lisp
/usr/share/common-lisp/source/mcclim/Examples/dragndrop-translator.lisp
/usr/share/common-lisp/source/mcclim/Examples/dragndrop.lisp
/usr/share/common-lisp/source/mcclim/Examples/drawing-benchmark.lisp
/usr/share/common-lisp/source/mcclim/Examples/font-selector.lisp
/usr/share/common-lisp/source/mcclim/Examples/gadget-test-kr.lisp
/usr/share/common-lisp/source/mcclim/Examples/gadget-test.lisp
/usr/share/common-lisp/source/mcclim/Examples/image-viewer.lisp
/usr/share/common-lisp/source/mcclim/Examples/logic-cube.lisp
/usr/share/common-lisp/source/mcclim/Examples/menutest.lisp
/usr/share/common-lisp/source/mcclim/Examples/method-browser.lisp
/usr/share/common-lisp/source/mcclim/Examples/misc-tests.lisp
/usr/share/common-lisp/source/mcclim/Examples/postscript-test.lisp
/usr/share/common-lisp/source/mcclim/Examples/presentation-test.lisp
/usr/share/common-lisp/source/mcclim/Examples/sliderdemo.lisp
/usr/share/common-lisp/source/mcclim/Examples/stopwatch.lisp
/usr/share/common-lisp/source/mcclim/Examples/stream-test.lisp
/usr/share/common-lisp/source/mcclim/Examples/text-size-test.lisp
/usr/share/common-lisp/source/mcclim/Examples/traffic-lights.lisp
/usr/share/common-lisp/source/mcclim/Examples/transformations-test.lisp
/usr/share/common-lisp/source/mcclim/Examples/views.lisp
/usr/share/common-lisp/source/mcclim/clim-examples.asd