This is not used by anything yet, but add it now, so people looking at this new code can make sense of it. Plus, the documentation mentions it, so better have the docs make sense.
It will be used once we add support for conversions to GDK and allow doing cipboard/dnd by GValue.
c82378ea57 gdk: Add GType support to GdkContentFormats
docs/reference/gdk/gdk4-sections.txt | 3 +
gdk/gdkcontentformats.c | 164 +++++++++++++++++++++++++++++++----
gdk/gdkcontentformats.h | 15 +++-
gtk/gtkdragdest.c | 6 +-
gtk/gtktextview.c | 4 +-
tests/testdnd.c | 2 +-
6 files changed, 168 insertions(+), 26 deletions(-)