/usr/share/emacs/site-lisp/slime/contrib/ is in slime 1:20111027-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/emacs/site-lisp/slime/contrib/bridge.el
/usr/share/emacs/site-lisp/slime/contrib/inferior-slime.el
/usr/share/emacs/site-lisp/slime/contrib/slime-asdf.el
/usr/share/emacs/site-lisp/slime/contrib/slime-autodoc.el
/usr/share/emacs/site-lisp/slime/contrib/slime-banner.el
/usr/share/emacs/site-lisp/slime/contrib/slime-c-p-c.el
/usr/share/emacs/site-lisp/slime/contrib/slime-cl-indent.el
/usr/share/emacs/site-lisp/slime/contrib/slime-clipboard.el
/usr/share/emacs/site-lisp/slime/contrib/slime-compiler-notes-tree.el
/usr/share/emacs/site-lisp/slime/contrib/slime-editing-commands.el
/usr/share/emacs/site-lisp/slime/contrib/slime-enclosing-context.el
/usr/share/emacs/site-lisp/slime/contrib/slime-fancy-inspector.el
/usr/share/emacs/site-lisp/slime/contrib/slime-fancy.el
/usr/share/emacs/site-lisp/slime/contrib/slime-fontifying-fu.el
/usr/share/emacs/site-lisp/slime/contrib/slime-fuzzy.el
/usr/share/emacs/site-lisp/slime/contrib/slime-highlight-edits.el
/usr/share/emacs/site-lisp/slime/contrib/slime-hyperdoc.el
/usr/share/emacs/site-lisp/slime/contrib/slime-indentation.el
/usr/share/emacs/site-lisp/slime/contrib/slime-mdot-fu.el
/usr/share/emacs/site-lisp/slime/contrib/slime-media.el
/usr/share/emacs/site-lisp/slime/contrib/slime-motd.el
/usr/share/emacs/site-lisp/slime/contrib/slime-mrepl.el
/usr/share/emacs/site-lisp/slime/contrib/slime-package-fu.el
/usr/share/emacs/site-lisp/slime/contrib/slime-parse.el
/usr/share/emacs/site-lisp/slime/contrib/slime-presentation-streams.el
/usr/share/emacs/site-lisp/slime/contrib/slime-presentations.el
/usr/share/emacs/site-lisp/slime/contrib/slime-references.el
/usr/share/emacs/site-lisp/slime/contrib/slime-repl.el
/usr/share/emacs/site-lisp/slime/contrib/slime-sbcl-exts.el
/usr/share/emacs/site-lisp/slime/contrib/slime-scheme.el
/usr/share/emacs/site-lisp/slime/contrib/slime-scratch.el
/usr/share/emacs/site-lisp/slime/contrib/slime-snapshot.el
/usr/share/emacs/site-lisp/slime/contrib/slime-sprof.el
/usr/share/emacs/site-lisp/slime/contrib/slime-tramp.el
/usr/share/emacs/site-lisp/slime/contrib/slime-typeout-frame.el
/usr/share/emacs/site-lisp/slime/contrib/slime-xref-browser.el