/usr/share/help/el/programming-guidelines/ is in gnome-devel-docs 3.28.0-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/help/el/programming-guidelines/additional-materials.page
/usr/share/help/el/programming-guidelines/api-stability.page
/usr/share/help/el/programming-guidelines/c-coding-style.page
/usr/share/help/el/programming-guidelines/cc-by-sa-3-0.xml
/usr/share/help/el/programming-guidelines/databases.page
/usr/share/help/el/programming-guidelines/documentation.page
/usr/share/help/el/programming-guidelines/file-system.page
/usr/share/help/el/programming-guidelines/gerror.page
/usr/share/help/el/programming-guidelines/glist.page
/usr/share/help/el/programming-guidelines/index.page
/usr/share/help/el/programming-guidelines/introspection.page
/usr/share/help/el/programming-guidelines/logging.page
/usr/share/help/el/programming-guidelines/main-contexts.page
/usr/share/help/el/programming-guidelines/memory-management.page
/usr/share/help/el/programming-guidelines/namespacing.page
/usr/share/help/el/programming-guidelines/parallel-installability.page
/usr/share/help/el/programming-guidelines/preconditions.page
/usr/share/help/el/programming-guidelines/threading.page
/usr/share/help/el/programming-guidelines/tooling.page
/usr/share/help/el/programming-guidelines/unit-testing.page
/usr/share/help/el/programming-guidelines/version-control.page
/usr/share/help/el/programming-guidelines/versioning.page
/usr/share/help/el/programming-guidelines/writing-good-code.page