gdk: Add some more docs

Add another reference to the docs.

diff --git a/gdk/gdkkeys.c b/gdk/gdkkeys.c
index e3435d901b592a1e144bb2f65baa7f8a72c15aca..0868514a5334530d15bb3b028a492f3bba1abece 100644 (file)
--- a/gdk/gdkkeys.c
+++ b/gdk/gdkkeys.c
@@ -335,6 +335,8 @@ gdk_keyval_is_lower (guint keyval)
  * @keymap: a #GdkKeymap
  *
  * Returns the direction of effective layout of the keymap.
+ * The direction of a layout is the direction of the majority of its
+ * symbols. See pango_unichar_direction().
  *
  * Returns: %PANGO_DIRECTION_LTR or %PANGO_DIRECTION_RTL
  *   if it can determine the direction. %PANGO_DIRECTION_NEUTRAL