/usr/share/help/ is in devhelp-common 3.28.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/C/
/usr/share/help/C/devhelp/
/usr/share/help/C/devhelp/index.page
/usr/share/help/C/devhelp/search.page
/usr/share/help/cs/
/usr/share/help/cs/devhelp/
/usr/share/help/cs/devhelp/index.page
/usr/share/help/cs/devhelp/search.page
/usr/share/help/de/
/usr/share/help/de/devhelp/
/usr/share/help/de/devhelp/index.page
/usr/share/help/de/devhelp/search.page
/usr/share/help/es/
/usr/share/help/es/devhelp/
/usr/share/help/es/devhelp/index.page
/usr/share/help/es/devhelp/search.page
/usr/share/help/hr/
/usr/share/help/hr/devhelp/
/usr/share/help/hr/devhelp/index.page
/usr/share/help/hr/devhelp/search.page
/usr/share/help/hu/
/usr/share/help/hu/devhelp/
/usr/share/help/hu/devhelp/index.page
/usr/share/help/hu/devhelp/search.page
/usr/share/help/pl/
/usr/share/help/pl/devhelp/
/usr/share/help/pl/devhelp/index.page
/usr/share/help/pl/devhelp/search.page
/usr/share/help/pt_BR/
/usr/share/help/pt_BR/devhelp/
/usr/share/help/pt_BR/devhelp/index.page
/usr/share/help/pt_BR/devhelp/search.page
/usr/share/help/sv/
/usr/share/help/sv/devhelp/
/usr/share/help/sv/devhelp/index.page
/usr/share/help/sv/devhelp/search.page