/usr/share/doc/tix/examples/samples/ is in tix-dev 8.4.3-4ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/tix/examples/samples/AllSampl.tcl
/usr/share/doc/tix/examples/samples/ArrowBtn.tcl
/usr/share/doc/tix/examples/samples/Balloon.tcl
/usr/share/doc/tix/examples/samples/BtnBox.tcl
/usr/share/doc/tix/examples/samples/CObjView.tcl
/usr/share/doc/tix/examples/samples/ChkList.tcl
/usr/share/doc/tix/examples/samples/CmpImg.tcl
/usr/share/doc/tix/examples/samples/CmpImg1.tcl
/usr/share/doc/tix/examples/samples/CmpImg2.tcl
/usr/share/doc/tix/examples/samples/CmpImg3.tcl
/usr/share/doc/tix/examples/samples/CmpImg4.tcl
/usr/share/doc/tix/examples/samples/ComboBox.tcl
/usr/share/doc/tix/examples/samples/Control.tcl
/usr/share/doc/tix/examples/samples/DirDlg.tcl
/usr/share/doc/tix/examples/samples/DirList.tcl
/usr/share/doc/tix/examples/samples/DirTree.tcl
/usr/share/doc/tix/examples/samples/DragDrop.tcl
/usr/share/doc/tix/examples/samples/DynTree.tcl
/usr/share/doc/tix/examples/samples/EFileDlg.tcl
/usr/share/doc/tix/examples/samples/EditGrid.tcl
/usr/share/doc/tix/examples/samples/FileDlg.tcl
/usr/share/doc/tix/examples/samples/FileEnt.tcl
/usr/share/doc/tix/examples/samples/HList1.tcl
/usr/share/doc/tix/examples/samples/LabEntry.tcl
/usr/share/doc/tix/examples/samples/LabFrame.tcl
/usr/share/doc/tix/examples/samples/ListNBK.tcl
/usr/share/doc/tix/examples/samples/Meter.tcl
/usr/share/doc/tix/examples/samples/NoteBook.tcl
/usr/share/doc/tix/examples/samples/OptMenu.tcl
/usr/share/doc/tix/examples/samples/PanedWin.tcl
/usr/share/doc/tix/examples/samples/PopMenu.tcl
/usr/share/doc/tix/examples/samples/SGrid0.tcl
/usr/share/doc/tix/examples/samples/SGrid1.tcl
/usr/share/doc/tix/examples/samples/SHList.tcl
/usr/share/doc/tix/examples/samples/SHList2.tcl
/usr/share/doc/tix/examples/samples/SListBox.tcl
/usr/share/doc/tix/examples/samples/STList1.tcl
/usr/share/doc/tix/examples/samples/STList2.tcl
/usr/share/doc/tix/examples/samples/STList3.tcl
/usr/share/doc/tix/examples/samples/SText.tcl
/usr/share/doc/tix/examples/samples/SWindow.tcl
/usr/share/doc/tix/examples/samples/Sample.tcl
/usr/share/doc/tix/examples/samples/Select.tcl
/usr/share/doc/tix/examples/samples/StdBBox.tcl
/usr/share/doc/tix/examples/samples/Tree.tcl
/usr/share/doc/tix/examples/samples/Xpm.tcl
/usr/share/doc/tix/examples/samples/Xpm1.tcl