[gtk+/wip/aruiz/nullable-annotations] nullable annotations: gtk_style_context_get_frame_clock gtk_style_context_get_parent gtk_style

[Alberto Ruiz <aruiz src gnome org>]

commit 5790ce18babdf4749975ee4e7b2046a31065b0f3
Author: Alberto Ruiz <aruiz gnome org>
Date:   Sun Dec 13 03:32:11 2015 +0000

    nullable annotations:
      gtk_style_context_get_frame_clock
      gtk_style_context_get_parent
      gtk_style_context_get_section

 gtk/gtkstylecontext.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 6c7f1e4..41d1003 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -765,7 +765,8 @@ gtk_style_context_remove_provider_for_screen (GdkScreen        *screen,
  * Shorthand CSS properties cannot be queried for a location and will
  * always return %NULL.
  *
- * Returns: %NULL or the section where value was defined
+ * Returns: (nullable) (transfer none): %NULL or the section where a value
+ * for @property was defined
  **/
 GtkCssSection *
 gtk_style_context_get_section (GtkStyleContext *context,
@@ -1187,7 +1188,7 @@ gtk_style_context_set_parent (GtkStyleContext *context,
  * Gets the parent context set via gtk_style_context_set_parent().
  * See that function for details.
  *
- * Returns: (transfer none): the parent context or %NULL
+ * Returns: (nullable) (transfer none): the parent context or %NULL
  *
  * Since: 3.4
  **/
@@ -2040,7 +2041,7 @@ gtk_style_context_set_frame_clock (GtkStyleContext *context,
  *
  * Returns the #GdkFrameClock to which @context is attached.
  *
- * Returns: (transfer none): a #GdkFrameClock, or %NULL
+ * Returns: (nullable) (transfer none): a #GdkFrameClock, or %NULL
  *  if @context does not have an attached frame clock.
  *
  * Since: 3.8