/usr/share/tcltk/tcllib1.19/textutil/ is in tcllib 1.19-dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tcltk/tcllib1.19/textutil/adjust.tcl
/usr/share/tcltk/tcllib1.19/textutil/dehypht.tex
/usr/share/tcltk/tcllib1.19/textutil/eshyph_vo.tex
/usr/share/tcltk/tcllib1.19/textutil/expander.tcl
/usr/share/tcltk/tcllib1.19/textutil/ithyph.tex
/usr/share/tcltk/tcllib1.19/textutil/pkgIndex.tcl
/usr/share/tcltk/tcllib1.19/textutil/repeat.tcl
/usr/share/tcltk/tcllib1.19/textutil/split.tcl
/usr/share/tcltk/tcllib1.19/textutil/string.tcl
/usr/share/tcltk/tcllib1.19/textutil/tabify.tcl
/usr/share/tcltk/tcllib1.19/textutil/textutil.tcl
/usr/share/tcltk/tcllib1.19/textutil/trim.tcl