/usr/share/tcltk/tcllib1.17/textutil/ is in tcllib 1.17-dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tcltk/tcllib1.17/textutil/adjust.tcl
/usr/share/tcltk/tcllib1.17/textutil/dehypht.tex
/usr/share/tcltk/tcllib1.17/textutil/eshyph_vo.tex
/usr/share/tcltk/tcllib1.17/textutil/expander.tcl
/usr/share/tcltk/tcllib1.17/textutil/ithyph.tex
/usr/share/tcltk/tcllib1.17/textutil/pkgIndex.tcl
/usr/share/tcltk/tcllib1.17/textutil/repeat.tcl
/usr/share/tcltk/tcllib1.17/textutil/split.tcl
/usr/share/tcltk/tcllib1.17/textutil/string.tcl
/usr/share/tcltk/tcllib1.17/textutil/tabify.tcl
/usr/share/tcltk/tcllib1.17/textutil/textutil.tcl
/usr/share/tcltk/tcllib1.17/textutil/trim.tcl