[annotations] Add allow-none

This commit was created using a script that searched for all docstrings
containing a parameter and the string 'or %NULL'.
Gdk backends and demos excluded as they are not part of a public API

https://bugzilla.gnome.org/show_bug.cgi?id=610474

1 files changed, 3 insertions, 3 deletions

diff --git a/gdk/gdk.c b/gdk/gdk.c
index 0a5fd93c68..110d662dc7 100644
--- a/gdk/gdk.c
+++ b/gdk/gdk.c
@@ -534,7 +534,7 @@ gdk_threads_dispatch_free (gpointer data)
  *            range btweeen #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE
  * @function: function to call
  * @data:     data to pass to @function
- * @notify:   function to call when the idle is removed, or %NULL
+ * @notify: (allow-none):   function to call when the idle is removed, or %NULL
  *
  * Adds a function to be called whenever there are no higher priority
  * events pending.  If the function returns %FALSE it is automatically
@@ -634,7 +634,7 @@ gdk_threads_add_idle (GSourceFunc    function,
  *             (1/1000ths of a second)
  * @function: function to call
  * @data:     data to pass to @function
- * @notify:   function to call when the timeout is removed, or %NULL
+ * @notify: (allow-none):   function to call when the timeout is removed, or %NULL
  *
  * Sets a function to be called at regular intervals holding the GDK lock,
  * with the given priority.  The function is called repeatedly until it 
@@ -740,7 +740,7 @@ gdk_threads_add_timeout (guint       interval,
  * @interval: the time between calls to the function, in seconds
  * @function: function to call
  * @data:     data to pass to @function
- * @notify:   function to call when the timeout is removed, or %NULL
+ * @notify: (allow-none):   function to call when the timeout is removed, or %NULL
  *
  * A variant of gdk_threads_add_timout_full() with second-granularity.
  * See g_timeout_add_seconds_full() for a discussion of why it is