/usr/share/doc/latex-mk/examples/example/ is in latex-mk 2.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/latex-mk/examples/example/README-example.txt
/usr/share/doc/latex-mk/examples/example/biblio.tex
/usr/share/doc/latex-mk/examples/example/ex2.tex
/usr/share/doc/latex-mk/examples/example/ex3.tex
/usr/share/doc/latex-mk/examples/example/ex4.bib
/usr/share/doc/latex-mk/examples/example/ex4.tex
/usr/share/doc/latex-mk/examples/example/ex5.tex
/usr/share/doc/latex-mk/examples/example/example.tex
/usr/share/doc/latex-mk/examples/example/mkfile.gmk
/usr/share/doc/latex-mk/examples/example/mkfile.mk
/usr/share/doc/latex-mk/examples/example/refs.bib
/usr/share/doc/latex-mk/examples/example/tgif/
/usr/share/doc/latex-mk/examples/example/tgif/myfig.obj