/usr/share/doc/critcl/examples/ is in critcl 3.1.9-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/critcl/examples/build.tcl
/usr/share/doc/critcl/examples/clist/
/usr/share/doc/critcl/examples/clist/build.tcl
/usr/share/doc/critcl/examples/clist/clist.tcl
/usr/share/doc/critcl/examples/clist/clist_tcl.tcl
/usr/share/doc/critcl/examples/icounter/
/usr/share/doc/critcl/examples/icounter/build.tcl
/usr/share/doc/critcl/examples/icounter/icounter.tcl
/usr/share/doc/critcl/examples/optional/
/usr/share/doc/critcl/examples/optional/build.tcl
/usr/share/doc/critcl/examples/optional/optional.tcl
/usr/share/doc/critcl/examples/queue/
/usr/share/doc/critcl/examples/queue/README.txt
/usr/share/doc/critcl/examples/queue/build.tcl
/usr/share/doc/critcl/examples/queue/queuec.tcl
/usr/share/doc/critcl/examples/queue/util.h
/usr/share/doc/critcl/examples/random/
/usr/share/doc/critcl/examples/random/README.txt
/usr/share/doc/critcl/examples/random/build.tcl
/usr/share/doc/critcl/examples/random/random.tcl
/usr/share/doc/critcl/examples/random/rnmath.tcl
/usr/share/doc/critcl/examples/selfcompanion/
/usr/share/doc/critcl/examples/selfcompanion/build.tcl
/usr/share/doc/critcl/examples/selfcompanion/selfcompanion.tcl
/usr/share/doc/critcl/examples/stack/
/usr/share/doc/critcl/examples/stack/README.txt
/usr/share/doc/critcl/examples/stack/build.tcl
/usr/share/doc/critcl/examples/stack/cstack.c
/usr/share/doc/critcl/examples/stack/cstack.h
/usr/share/doc/critcl/examples/stack/cstack.tcl
/usr/share/doc/critcl/examples/stack/cstackInt.h
/usr/share/doc/critcl/examples/stack/stackc/
/usr/share/doc/critcl/examples/stack/stackc.tcl
/usr/share/doc/critcl/examples/stack/stackc/m.c
/usr/share/doc/critcl/examples/stack/stackc/m.h
/usr/share/doc/critcl/examples/stack/stackc/util.h
/usr/share/doc/critcl/examples/zlibwrap/
/usr/share/doc/critcl/examples/zlibwrap/README.txt
/usr/share/doc/critcl/examples/zlibwrap/build.tcl
/usr/share/doc/critcl/examples/zlibwrap/zlib.tcl