Refactor:gui_internal:Some documentation updates

Signed-off-by: mvglasow <michael -at- vonglasow.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/navit/gui/internal/gui_internal.c b/navit/gui/internal/gui_internal.c
index 23d4d24c6..3f65397dc 100644
--- a/navit/gui/internal/gui_internal.c
+++ b/navit/gui/internal/gui_internal.c
@@ -1078,6 +1078,18 @@ gui_internal_cmd_delete_waypoint(struct gui_priv *this, struct widget *wm, void
 }
 
 
+/**
+ * @brief
+ *
+ * One of {@code pc_in} or {@code g_in} must be supplied, the other should be {@code NULL}.
+ *
+ * @param this The internal GUI instance
+ * @param pc_in Projected coordinates of the position
+ * @param g_in WGS84 coordinates of the position
+ * @param wm
+ * @param name The display name for the position
+ * @param flags Flags specifying the operations available from the GUI
+ */
 /* meaning of the bits in "flags":
  * 1: "Streets"
  * 2: "House numbers"