[gobject-introspection] gir: Update annotations from GLib git master

[Rico Tzschichholz <ricotz src gnome org>]

commit fd78c996bb204525b217c5baf6704f777ef8c5fa
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Jan 2 11:35:35 2018 +0100

    gir: Update annotations from GLib git master

 gir/glib-2.0.c    |   92 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 gir/gobject-2.0.c |    4 +-
 2 files changed, 89 insertions(+), 7 deletions(-)
---
diff --git a/gir/glib-2.0.c b/gir/glib-2.0.c
index 17d30b0..2999e4c 100644
--- a/gir/glib-2.0.c
+++ b/gir/glib-2.0.c
@@ -10618,6 +10618,35 @@
 
 
 /**
+ * g_autolist:
+ * @TypeName: a supported variable type
+ *
+ * Helper to declare a list variable with automatic deep cleanup.
+ *
+ * The list is deeply freed, in a way appropriate to the specified type, when the
+ * variable goes out of scope.  The type must support this.
+ *
+ * This feature is only supported on GCC and clang.  This macro is not
+ * defined on other compilers and should not be used in programs that
+ * are intended to be portable to those compilers.
+ *
+ * This is meant to be used to declare lists of a type with a cleanup
+ * function.  The type of the variable is a GList *.  You
+ * must not add your own '*'.
+ *
+ * This macro can be used to avoid having to do explicit cleanups of
+ * local variables when exiting functions.  It often vastly simplifies
+ * handling of error conditions, removing the need for various tricks
+ * such as 'goto out' or repeating of cleanup code.  It is also helpful
+ * for non-error cases.
+ *
+ * See also g_autoslist(), g_autoptr() and g_steal_pointer().
+ *
+ * Since: 2.56
+ */
+
+
+/**
  * g_autoptr:
  * @TypeName: a supported variable type
  *
@@ -10678,6 +10707,35 @@
 
 
 /**
+ * g_autoslist:
+ * @TypeName: a supported variable type
+ *
+ * Helper to declare a singly linked list variable with automatic deep cleanup.
+ *
+ * The list is deeply freed, in a way appropriate to the specified type, when the
+ * variable goes out of scope.  The type must support this.
+ *
+ * This feature is only supported on GCC and clang.  This macro is not
+ * defined on other compilers and should not be used in programs that
+ * are intended to be portable to those compilers.
+ *
+ * This is meant to be used to declare lists of a type with a cleanup
+ * function.  The type of the variable is a GSList *.  You
+ * must not add your own '*'.
+ *
+ * This macro can be used to avoid having to do explicit cleanups of
+ * local variables when exiting functions.  It often vastly simplifies
+ * handling of error conditions, removing the need for various tricks
+ * such as 'goto out' or repeating of cleanup code.  It is also helpful
+ * for non-error cases.
+ *
+ * See also g_autolist(), g_autoptr() and g_steal_pointer().
+ *
+ * Since: 2.56
+ */
+
+
+/**
  * g_base64_decode:
  * @text: zero-terminated string with base64 text to decode
  * @out_len: (out): The length of the decoded data is written here
@@ -30519,15 +30577,16 @@
  *   be skipped (ie, a test whose name contains "/subprocess").
  * - `-m {perf|slow|thorough|quick|undefined|no-undefined}`: Execute tests according to these test modes:
  *
- *   `perf`: Performance tests, may take long and report results.
+ *   `perf`: Performance tests, may take long and report results (off by default).
  *
- *   `slow`, `thorough`: Slow and thorough tests, may take quite long and maximize coverage.
+ *   `slow`, `thorough`: Slow and thorough tests, may take quite long and maximize coverage
+ *   (off by default).
  *
- *   `quick`: Quick tests, should run really quickly and give good coverage.
+ *   `quick`: Quick tests, should run really quickly and give good coverage (the default).
  *
  *   `undefined`: Tests for undefined behaviour, may provoke programming errors
  *   under g_test_trap_subprocess() or g_test_expect_message() to check
- *   that appropriate assertions or warnings are given
+ *   that appropriate assertions or warnings are given (the default).
  *
  *   `no-undefined`: Avoid tests for undefined behaviour
  *
@@ -30661,6 +30720,10 @@
  *
  * Returns %TRUE if tests are run in performance mode.
  *
+ * By default, tests are run in quick mode. In tests that use
+ * g_test_init(), the option `-m perf` enables performance tests, while
+ * `-m quick` disables them.
+ *
  * Returns: %TRUE if in performance mode
  */
 
@@ -30712,6 +30775,10 @@
  * Exactly one of g_test_quick() and g_test_slow() is active in any run;
  * there is no "medium speed".
  *
+ * By default, tests are run in quick mode. In tests that use
+ * g_test_init(), the options `-m quick`, `-m slow` and `-m thorough`
+ * can be used to change this.
+ *
  * Returns: %TRUE if in quick mode
  */
 
@@ -30720,6 +30787,8 @@
  * g_test_quiet:
  *
  * Returns %TRUE if tests are run in quiet mode.
+ * In tests that use g_test_init(), the option `-q` or `--quiet` enables
+ * this, while `--verbose` disables it.
  * The default is neither g_test_verbose() nor g_test_quiet().
  *
  * Returns: %TRUE if in quiet mode
@@ -30895,6 +30964,10 @@
  * Exactly one of g_test_quick() and g_test_slow() is active in any run;
  * there is no "medium speed".
  *
+ * By default, tests are run in quick mode. In tests that use
+ * g_test_init(), the options `-m quick`, `-m slow` and `-m thorough`
+ * can be used to change this.
+ *
  * Returns: the opposite of g_test_quick()
  */
 
@@ -30939,6 +31012,10 @@
  * Returns %TRUE if tests are run in thorough mode, equivalent to
  * g_test_slow().
  *
+ * By default, tests are run in quick mode. In tests that use
+ * g_test_init(), the options `-m quick`, `-m slow` and `-m thorough`
+ * can be used to change this.
+ *
  * Returns: the same thing as g_test_slow()
  */
 
@@ -31189,7 +31266,10 @@
  *
  * Returns %TRUE if tests may provoke assertions and other formally-undefined
  * behaviour, to verify that appropriate warnings are given. It might, in some
- * cases, be useful to turn this off if running tests under valgrind.
+ * cases, be useful to turn this off with if running tests under valgrind;
+ * in tests that use g_test_init(), the option `-m no-undefined` disables
+ * those tests, while `-m undefined` explicitly enables them (the default
+ * behaviour).
  *
  * Returns: %TRUE if tests may provoke programming errors
  */
@@ -31199,6 +31279,8 @@
  * g_test_verbose:
  *
  * Returns %TRUE if tests are run in verbose mode.
+ * In tests that use g_test_init(), the option `--verbose` enables this,
+ * while `-q` or `--quiet` disables it.
  * The default is neither g_test_verbose() nor g_test_quiet().
  *
  * Returns: %TRUE if in verbose mode
diff --git a/gir/gobject-2.0.c b/gir/gobject-2.0.c
index 596e268..a825994 100644
--- a/gir/gobject-2.0.c
+++ b/gir/gobject-2.0.c
@@ -2451,8 +2451,8 @@
  *     from the @target to the @source, or %NULL to use the default
  * @user_data: custom data to be passed to the transformation functions,
  *     or %NULL
- * @notify: function to be called when disposing the binding, to free the
- *     resources used by the transformation functions
+ * @notify: (nullable): a function to call when disposing the binding, to free
+ *     resources used by the transformation functions, or %NULL if not required
  *
  * Complete version of g_object_bind_property().
  *