1 Quoting the "Vendor overrides" section from [1]:
3 Default values are defined in the schemas that get installed by an application.
4 Sometimes, it is necessary for a vendor or distributor to adjust these
5 defaults. Since patching the XML source for the schema is inconvenient and
6 error-prone, glib-compile-schemas reads so-called 'vendor override' files.
7 These are keyfiles in the same directory as the XML schema sources which can
8 override default values. The schema id serves as the group name in the key
9 file, and the values are expected in serialized GVariant form, as in the
16 glib-compile-schemas expects schema files to have the extension
19 [1] http://developer.gnome.org/gio/stable/GSettings.html