/usr/share/gEDA/scheme/ is in geda-gschem 1:1.8.2-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gEDA/scheme/auto-place-attribs.scm
/usr/share/gEDA/scheme/auto-uref.scm
/usr/share/gEDA/scheme/default-attrib-positions.scm
/usr/share/gEDA/scheme/generate_netlist.scm
/usr/share/gEDA/scheme/gschem/
/usr/share/gEDA/scheme/gschem.scm
/usr/share/gEDA/scheme/gschem/attrib.scm
/usr/share/gEDA/scheme/gschem/core/
/usr/share/gEDA/scheme/gschem/core/gettext.scm
/usr/share/gEDA/scheme/gschem/deprecated.scm
/usr/share/gEDA/scheme/gschem/gschemdoc.scm
/usr/share/gEDA/scheme/gschem/hook.scm
/usr/share/gEDA/scheme/gschem/keymap.scm
/usr/share/gEDA/scheme/gschem/selection.scm
/usr/share/gEDA/scheme/gschem/util.scm
/usr/share/gEDA/scheme/gschem/window.scm
/usr/share/gEDA/scheme/image.scm
/usr/share/gEDA/scheme/list-keys.scm
/usr/share/gEDA/scheme/pcb.scm
/usr/share/gEDA/scheme/print-NB-attribs.scm
/usr/share/gEDA/scheme/print.scm