1 What's new in at-spi2-core 2.26.1:
3 * Remove unused dependency on libxkbcommon.
5 * Various meson build fixes.
7 * Updated Dutch and Catalan translations.
9 What's new in at-spi2-core 2.25.92:
11 * configure.ac: make xkb optional, as intended.
13 * Optionally read the bus address from the ATSPI_BUS_ADDRESS environment
14 variable (bgo#787126).
16 What's new in at-spi2-core 2.25.91:
18 * Meson builds should now be usable.
20 What's new in at-spi2-core 2.25.90:
22 * Fix a couple of introspection issues (bgo#784481).
24 * atspi_get_a11_bus: don't leak the DBusConnection.
28 What's new in at-spi2-core 2.25.4:
30 * Fix gir generation with autotools (bgo#783994).
32 What's new in at-spi2-core 2.25.3:
34 * Fix -Wmisleading-indentation warnings.
36 * Fix memory leak of at-spi-bus-launcher.
38 * Add error-message, error-for, details, and details-for relation types.
40 * Poll direct dbus connections in the main loop--fixes processes
41 being marked hung and the hung flag never being removed.
43 * Add Meson build system (thanks to Emmanuele Bassi).
45 * Various build fixes (thanks to Emmanuele Bassi).
47 What's new in at-spi2-core 2.25.2:
49 * attempt to fix an occasional crash when an application disappears
52 * Add some missing roles to correspond with atk (description list,
53 description term, description value, and footnote).
55 What's new in at-spi2-core 2.25.1:
57 * atspi_table_cell_get_position: don't crash on error.
59 What's new in at-spi2-core 2.23.92:
61 * Table cell API fixes (bgo#779835).
63 What's new in at-spi2-core 2.23.90:
65 * Fix an occasional crash when an application is closed (bgo#767074).
67 What's new in at-spi2-core 2.23.4:
69 * Don't pull in X headers if x11 is disabled (bgo#773710).
71 * at-spi-bus-launcher: session management fixes (bgo#774441).
74 * events: add recently added page changed event (bgo#719898).
76 * roles: EXTENDED roles are deprecated (bgo#W720123).
79 What's new in at-spi2-core 2.2.0:
81 * at-spi-bus-launcher: fix uninitialized variable.
83 * Fix return value error in session_manager_connect (bgo#768881).
85 * Updated translations.
87 What's new in at-spi2-core 2.21.4:
89 * Fixed a crash in atspi_accessible_clear_cache.
91 * Fixed a crash caused by at-spi2-registryd dying.
93 * Fixed some session management issues in at-spi-bus-launcher.
95 What's new in at-spi2-core 2.21.2:
97 * Allow building without Xtst, Xi with --disable-x11
99 * ref_accessible_desktop: don't unref reply until we're finished with it
101 * Updated translations.
103 What's new in at-spi2-core 2.21.1:
105 * registryd: avoid crashing with a NULL keystring (bgo#764688).
107 * Plug a memory leak in AtspiEventListener (bgo#764688).
109 * Fix parsing of at-spi-bus-launcher command line arguments (bgo#765220).
113 What's new in at-spi2-core 2.19.92:
115 * Support a stateless configuration by default (bgo#763540).
117 What's new in at-spi2-core 2.19.91:
119 * Don't display warnings when connecting to an app that no longer exists.
121 What's new in at-spi2-core 2.19.90:
123 * Don't display warning if unable to connect when logged in via ssh
126 * at-spi-bus-launcher: register with session manager (bgo#753931).
128 What's new in at-spi2-core 2.19.2:
130 * Disable xevie by default--it probably doesn't do anything anyhow.
132 * get_index_in_parent: Don't crash if parent is defunct.
134 * Don't crash when trying to set an invalid state (bgo#757915).
136 What's new in at-spi2-core 2.19.1:
138 * Don't crash if we get a children-changed event with a non-existent
141 * atspi_hyperlink_get_index_range: don't return random values if the
142 call fails (bgo#755727).
144 * Fixed some atspi_text_ functions (bgo#755731).
146 * Fixed crash during removal of last application in registryd (bgo#756513).
148 What's new in at-spi2-core 2.17.90:
150 * Modified the cache API to specify an object's index and child count
151 rather than its children. This eliminates the need for the application
152 to enumerate its children, improving performance in some places with
153 large lists (bgo#650090).
155 What's new in at-spi2-core 2.17.1:
157 * Functions shouldn't try to return values (bgo#749330).
159 * Fix atspi_table_cell_get_position.
161 What's new in at-spi2-core 2.16.0:
163 * Fix a couple of gtk-doc warnings (fdo#89678).
165 What's new in at-spi2-core 2.15.90:
167 * Deprecate atspi_text_get_text_{before,at,after}_offset() (bgo#697969)
169 * Add roles for fractions, roots, subscripts, and superscripts (bgo#743403).
171 What's new in at-spi2-core 2.15.4:
173 * Add names to every timeout (bgo#710644).
175 * Remove accessibility.conf from EXTRA_DIST (bgo#742987).
177 * Add ATSPI_STATE_READONLY (bgo#690004).
179 What's new in at-spi2-core 2.15.3:
181 * Replace deprecated "Rename to" gtk-doc tag.
183 * Fix atspi_table_cell_get_column_span prototype.
185 What's new in at-spi2-core 2.15.2:
187 * Make the documentation of ATSPI's STATE_ACTIVE consistent with that of
190 * Add ATSPI_ROLE_STATIC and update documentation for ATSPI_ROLE_TEXT
193 * gi-annotations: get_relation_set returns a array of AtspiRelation
195 What's new in at-spi2-core 2.15.1:
197 * Fix some issues with the accessibility bus configuration (bgo#722738).
199 * Documentation for AtspiTableCell is now built.
201 What's new in at-spi2-core 2.13.92:
203 * Fix alignment checks when cross-compiling (bgo#736653).
205 What's new in at-spi2-core 2.13.90:
207 * Fix crash when testing interfaces with collections (bgo#734805).
209 What's new in at-spi2-core 2.13.4:
211 * Ensure that we register with the session manager only once (bgo#728934).
213 * Fix ucs2keysym prototype (bgo#730897).
215 * introspection: add some missing Returns: (nullable) annotations
217 * Fix various memory leaks.
219 What's new in at-spi2-core 2.13.1:
221 * Add GError setter in atspi_accessible_get_process_id function
223 * registryd: Wait for gnome-session before registering if it is not
224 running yet (bgo#728934).
226 What's new in at-spi2-core 2.11.92:
228 * Fix a crash with MediaElch and Onboard (bgo#726243).
230 * Various i18n updates.
232 What's new in at-spi2-core 2.11.91:
234 * Improve compatibility with at-spi2-registryd <= 3.10.
236 What's new in at-spi2-core 2.11.90:
238 * bus-launcher: Do not use g_setenv when initializing the bus (bgo#724070).
240 * Fix a critical when processing deferred messages (bgo#724292).
242 * Add AtspitableCell, tracking the new atk interface
244 What's new in at-spi2-core 2.11.5:
246 * Add atspi_event_listener_register_full, and cache data requested by it
247 for the duration of the event callback (BGO#708695).
249 * Fix a crash when atspi_accessible_get_process_id is called for an
250 application that is no longer present.
252 What's new in at-spi2-core 2.11.3:
254 * Fix atspi_text_get_bounded_ranges
256 * document: add support to current page and page count (BGO#719508).
258 What's new in at-spi2-core 2.11.2:
260 * Add new roles and states to track atk (BGO#710464, BGO#712608, BGO#712609).
262 What's new in at-spi2-core 2.11.1:
264 * Fix a gsource leak that adversely impacted performance (BGO#709625).
266 * Hopefully fix a rare crash when starting at-spi2-registryd (BGO#710689).
268 * Fix atspi_component_contains (BGO#710730).
270 * Fix some compiler warnings and build issues.
272 What's new in at-spi2-core 2.9.92:
274 * Fix multiple deadlocks with keystroke listeners (BGO#707218).
277 What's new in at-spi2-core 2.9.91:
279 * Fix a performance issue when running for a long time without a main
280 loop, such as with a dogtail script (BGO#701145).
282 * Remove an unneeded unref that was causing a warning (BGO#706893).
284 * Skip some functions that were not introspectable (BGO#707010).
286 What's new in at-spi2-core 2.9.90:
288 * Separate out X-dependent functionality, allow building without X11 (albeit
289 with various things not working), and don't query/use X if DISPLAY is not
290 set (BGO#682199, BGO#701378).
292 * Add atspi_text_get_string_at_offset, and deprecate
293 atspi_text_get_text_at_offset.
295 What's new in at-spi2-core 2.9.5:
297 * Fix possible memory leak when D-Bus calls time out.
299 * Fix a memory leak in atspi_accessible_get_role_name that was introduced
300 earlier in the 2.9 cycle with the enum refactor.
302 * A couple of functions not intended for introspection are now marked
305 What's new in at-spi2-core 2.9.4:
307 * Add atspi_set_main_context (mainly for use by at-spi2-atk).
309 What's new in at-spi2-core 2.9.3:
311 * Add atspi_is_initialized (BGO#681276).
313 What's new in at-spi2-core 2.9.2:
315 * Fix D-Bus introspection for GetActions.
317 * Use glib-mkenums to generate enum types, and use these generated types
318 for role and state names, rather than static tables.
320 * Annotate filter in atspi_register_device_event_listener with allow-none
323 * Rename various functions to avoid name collisions (BGO#700243). The old
324 functions are deprecated in favor of the renamed functions and renamed
327 What's new in at-spi2-core 2.7.91:
329 * Add atspi_accessible_get_object_locale (BGO#694368).
331 * Start the bus launcher in the initialization phase (BGO#694984).
333 What's new in at-spi2-core 2.7.90:
335 * Removed a debug print that was accidentally included in 2.7.5.
337 What's new in at-spi2-core 2.7.5:
339 * Add ATSPI_ROLE_LEVEL_BAR to correspond to the new atk role.
341 * Fix various compiler warnings.
343 What's new in at-spi2-core 2.7.4:
345 * Fix some ref count leaks.
347 * Some functions that return accessibles now propagate errors.
349 What's new in at-spi2-core 2.7.3:
351 * Atspi_accessible_get_index_in_parent no longer returns -1 if the object's
352 parent is not cached (BGO#688057).
354 * re-register keystroke listeners if the registry goes away and then returns.
356 * Fix atspi_device_listener_new_simple.
358 * Fix some compiler warnings.
360 * Build: use gobject-introspection's Makefile instead of rolling our own.
362 * Fix a crash when parsing events without detail when there is a listener for the event that names a specific detail value.
364 * Fix crash when removing hung processes.
366 * Fix deregistering of applications.
368 * A few documentation fixes.
370 What's new in at-spi2-core 2.7.2:
372 * Only call an event listener once per event, even if the listener registered
373 for both the event and a superset of the event.
375 * Don't distribute dbind-config.h (BGO#688083).
377 * Fix gtk-doc for Atspi-Registry (BGO#688224).
379 * Some introspection fixes to make vapigen happy (BGO#688223).
381 * [registry] Fixed a crash handling DeregisterKeystrokeListener.
383 What's new in at-spi2-core 2.7.1:
385 * Update the cache in response to role change notifications (BGO#685469).
387 * Don't output a warning when a p2p connection isn't available.
389 What's new in at-spi2-core 2.5.92:
391 * Fix some annotations.
393 * Exit, rather than crash, when unable to open an X display (BGO#660407).
395 * Fix various memory leaks (BGO#684033).
397 What's new in at-spi2-core 2.5.91:
399 * Fix build with -fno-common.
401 * Add glib-2.0 to requires in at-spi2.pc (BGO#682595)
403 What's new in at-spi2-core 2.5.5:
405 * Add atspi_action_get_localized_name (BGO#680598).
407 * Allow building from out of source directory (BGO#680281)
409 What's new in at-spi2-core 2.5.4:
411 * Fix a missing return value.
413 * Fix a crash when unable to remove a match rule.
415 What's new in at-spi2-core 2.5.3:
417 * Fix a memory leak (BGO#678738)
419 What's new in at-spi2-core 2.5.2:
421 * Fix a crash when a call to fetch a hyperlink times out.
423 * Fix C++ compilation.
425 * Remove a warning that was sometimes logged when a method call timed out.
427 * Fix crash in atspi_deregister_keystroke_listener (FDO#50578)
429 What's new in at-spi2-core 2.5.1:
431 * Add atspi_set_timeout.
433 * By default, disable method call timeouts until an application has been on
434 the bus for 15 seconds (work-around for applications with potentially long
435 start-up times). This behavior can be changed with a call to atspi_set_timeout.
437 * Fix GError sent when receiving a reply of the wrong type
439 * Fix typo in atspi_document_get_attribute_value
441 * Fix for bug 675004 - object:state-changed:defunct events are emitted as object:state-change:defunct
443 What's new in at-spi2-core 2.4.0:
445 * Fix typo in at-spi-dbus-bus.desktop.in (BGO#605662).
447 What's new in at-spi2-core 2.3.92:
449 * Some changes to try to prevent at-spi2-registryd from incorrectly
450 thinking that an AT is hung and passing keys meant for it to the application.
452 * Fix crash fetching an error from a reply when retrieving a property.
454 What's new in at-spi2-core 2.3.91:
456 * Invalidate states when receiving a focus event (BGO#663992).
458 * Fix atspi_table_get_row_column_extents_at_index.
460 * Expect a signed int for GetIndexInParent, per the spec.
462 * Send key events to listeners assumed to be hung, but don't block.
464 * Reduce the method call timeout slightly, so that it will be lower than
465 the keystroke listener timeout.
467 * Don't cache data for transient objects.
469 * Enable caching on a call to atspi_accessible_set_cache_mask, even if
470 atspi-event_main() hasn't been called.
472 What's new in at-spi2-core 2.3.90:
474 * At-spi-bus-launcher now emits PropertiesChanged signals from the correct
477 * If a keystroke listener does not respond, disable it until it responds.
478 This prevents the desktop from locking up if an AT hangs or is suspended
479 and has a keyboard listener registered.
481 * Fix a warning when a NULL object is returned as the detail of an event.
483 What's new in at-spi2-core 2.3.5:
485 * Fix for BGO#668334: Set correct end offset in atspi_text_get_attributes.
487 * Add some type checking on method replies; this should prevent crashes if
488 an application-side AT-SPI implementor returns something unexpected.
490 * Call g_settings_sync after updating toolkit-accessibility.
492 * Add ScreenReaderEnabled D-Bus property as a proxy for the GSettings key.
494 * Fix for BGO#669344: Don't use "restrict" as a variable name, since it can
497 What's new in at-spi2-core 2.3.4:
499 * Add some dbus message signature checks.
501 * Fix a crash if a device listener incorrectly returns a non-bool.
503 * Fix for BGO#666870: Keystroke listeners do not work unless an event listener
504 is also registered [also needs updated at-spi2-atk]
506 * Fix for BGO#667254: Some atspi-selection_* functions were broken.
508 * When a call times out, ping the connection and avoid making subsequent calls
509 until the ping is answered.
511 What's new in at-spi2-core 2.3.3:
513 * Handle event detail suffixes (such as :system).
515 What's new in at-spi2-core 2.3.2:
517 * Some documentation improvements.
519 What's new in at-spi2-core 2.3.1:
521 * Fix return type of org.a11y.Bus.IsEnabled property
523 * Declare void functions as such
525 What's new in at-spi2-core 2.2.1:
527 * Fix org.a11y.Bus.Enabled property to set its initial state from the
528 GSettings key, if available and an initial property is not given on the
531 * Fix for BGO#660947: Gracefully exit when already running, rather than
532 triggering a SIGABRT.
534 What's new in at-spi2-core 2.1.92:
536 * Fixed a crash when handling event listeners.
538 * Fix for BGO#659088: Correctly define ATSPI_MODIFIER_NUMLOCK.
540 * Add some defensive checks to prevent problems with defunct objects.
542 * BGO#657051: Fix a build error on Solaris.
544 * Fix some missing return statements.
546 * Some fixes related to deregistering event listeners.
548 What's new in at-spi2-core 2.1.91:
550 * Fixed a crash when deregistering event listeners.
552 * Made DBus IsEnabled property readwrite.
554 What's new in at-spi2-core 2.1.90:
556 * Fixed a memory leak on DBus errors.
558 * Added org.a11y.Status.IsEnabled (currently a read-only property) to the bus
561 * Fix for BGO#656004: atspi_accessible_get_relation_set returns a GArray again.
563 * Numerous documentation fixes from Aline Bessa.
565 * CLean up device listeners from disconnected applications.
567 * Fix for BGO#657585: Do not crash when the bus launcher is unable to open the
570 What's new in at-spi2-core 2.1.5:
572 * Propertly free DBus error in atspi_accessible_get_process_id.
574 * Clean up names of some private functions.
576 * Move DBus interface name constants into atspi-constants.h and make public.
578 * Remove support for relocated CORBA.
580 * Fix for BGO#655127: Avoid Python crash for atspi_accessible_get_relation_set.
582 What's new in at-spi2-core 2.1.4:
584 * Some API changes to device and event listeners for compatibility with
587 * Fix for BGO#654314: make role names consistent with atk.
588 * FIx for BGO#654921: Run within Unity.
590 * Added some new roles.
592 What's new in at-spi2-core 2.1.3:
594 * use stored values for AT-SPI role names where possible.
596 * Fix for BGO#652596: Use DBus property to set value.
599 * Fix gtk-doc build cflags/libraries.
601 * Set error for some DBus errors where this was not being done.
604 * Add atspi_accessible_get_process_id (as a short-cut to help debugging).
606 * Fix failure to update cache in response to children-changed events in some
609 What's new in at-spi2-core 2.1.2:
611 * Fix atspi_table_get_caption|summary.
613 * Fix introspection for atspi_table_get_row_column_at_index.
615 * Copy match rule attributes, rather than just ref counting the hash, for
616 compatibility with pygi.
618 * Rework atspi_accessible_set_cache_mask to make it usable.
620 * Fix a crash that might happen if a method call times out.
622 * Disable caching if atspi_event_main has not been called to run the main loop.
624 * Fix atspi_accessible_get_toolkit_version.
626 * Add atspi_accessible_get_atspi_version to fetch the version of the AT-SPI
627 specification provided by an application.
629 * Cache application-wide toolkit name and version.
631 * Allow caching of attributes, but not enabling by default, as there is no
632 event yet (BGO#649771).
634 * Make deferred_messages a GQueue rather than a GList for performance reasons.
636 * Fix accessibility bus breakage when a user runs an administrative app.
638 What's new in at-spi2-core 2.1.1:
640 * Fixed a seg fault in at-spi-bus-launcher when ending a session (BGO#648942).
642 * Fixed a possible crash when an application is short-lived.
644 * FIxed memory leaks in atspi_accessible_get_toolkit_(name|version).
646 * AT-SPI will now call g_error if it is unable to find the accessibility bus.
647 This results in aborting but with a somewhat less cryptic error than before.
649 What's new in at-spi2-core 2.0.1:
651 * Fix a memory leak when sending events.
653 * Fix for BGO#648059: get_application should return something w/ROLE_APPLICATION
655 * Fix for BGO#648013: Honor aclocal flags
657 * FIx for BGO#648014: Add intltoolize to autogen.sh
659 * Fix for BGO#648130: event host_application should return NULL for the desktop
661 * Added atspi_accessible_get_id to retrieve the id of an application.
663 * Remove doc about non-existent ATSPI_KEYSET_ALL_KEYS.
665 What's new in at-spi2-core 2.0.0:
667 * Fix for BGO#646403: Use correct signature in at-spi2-registryd for
670 * Remove a Makefile reference to dbus-glib.
672 What's new in at-spi2-core 1.91.93:
674 * Removed dbus-glib-related includes, as they are no longer required.
676 What's new in at-spi2-core 1.91.92:
678 * Fixed atspi_table_get_column_header and atspi_value_set_current_value.
680 * Removed dbus-glib dependency; libatspi now includes a copy of dbus-gmain.c
681 modified to fix a crash (FDO#35115). Session management code has been
684 * Fixed a crash when deregistering a keystroke listener.
686 * Reworked accessibility bus management (BGO#644851).
688 * Fixed a possible sign issue with state sets.
690 What's new in at-spi2-core 1.91.91:
692 * Changed device event IPC to use uint32 for hw_code and modifiers, to be
693 more consistent with the rest of the API.
695 * GetNSelections has an out parameter, not an in.
697 * Fix for BGO#643384: - atspi_register_keystroke_listener() should take a
698 bitmask, not AtspiKeyListenerSyncType.
700 * Avoid setting enum values to 0x80000000, to prevent a pygi exception.
702 * Fix for BGO#643454: Kill the accessibility bus daemon with the GNOME session
704 * Fix for BGO#643110: Do not allow all users to connect to the accessibility bus.
706 What's new in at-spi2-core 1.91.90:
708 * BGO#641164: Fixed several build errors.
710 * Fixed some memory leaks and possible crashes.
712 * Fixed atspi_selection_get_selected_child and
713 atspi_selection_get_n_selected_children.
715 * Fixed wrong introspection information in some places.
717 * BGO#641869: Removed the --enable-relocate option.
719 * Avoid returning uninitialized data on error for some methods.
721 * Use the GSettings rather than GConf key to test that accessibility is
724 * Change some enums from 16-bit to 32-bit to match spec.
726 What's new in at-spi2-core 1.91.6.1:
728 * Fixed a crash introduced in 1.91.6.
730 * atspi_accessible_get_interfaces will now explicitly return the Accessible
733 What's new in at-spi2-core 1.91.6:
737 * Several updated translations.
739 * Added a method to check whether an object implements the Hyperlink interface.
741 * Fixed a crash in atspi_image_get_image_description.
743 * Fixed atspi_editable_text_set_text_contents.
745 * More error-handling fixes.
747 * Fixed a crash in atspi_event_listener_register_from-callback.
749 * Method calls now time out after 1 second.
751 * Added setters for component extents/size/position.
753 * Added atspi-accessible_set_cache_mask.
755 What's new in at-spi2-core 1.91.5:
757 * Fixed several memory leaks.
759 * Fixed some text methods, methods that return points or rectangles,
760 image locale and description, atspi-accessible_get_description, and some
763 * Added a trailing colon for focus events.
765 * Set the error parameter for dbus errors rather than displaying a warning.
767 * Fixed the keystroke listener deregister method.
769 * The cache is now updated before raising an event, not after, so that event
770 handlers that query for cached values will see the updated data.
772 * The registry daemon now returns an error when a caller requests a property
773 that the desktop does not support.
775 * Added disposal of objects, and fixed several associated bugs.
779 * Fixed mouse events.
781 * Libatspi's documentation is now compiled with gtk-doc.
783 * Fixed building from a separate build directory.
786 What's new in at-spi2-core 1.91.4:
788 * use peer-to-peer connections when available.
790 * Fix uninitialized variable in get_index_in_parent.
792 * Add timeout, and support inspecting our own app.
794 * Add get_interfaces, and fetch interface and state set over the wire if needed.
796 * Avoid adding data for an accessible twice if it is referenced prior to an
797 AddAccessible signal being received.
799 * Fix copying of any_data for an event.
801 * at-spi-registryd returns ChildCount as a variant, per the DBus spec.
803 * Hypertext, hyperlink, and table fixes.
805 * Several cache-related fixes.
807 * Change some error return values to match AT-SPI-CORBA behavior.
809 * Some attribute-related fixes.
811 * Renamed 'text' to 'content' in AtspiTextRange to match original IDL.
813 What's new in at-spi2-core 1.91.3:
815 * Added a C-based AT-side binding (libatspi) which can be used in
816 conjunction with GObject introspection to generate bindings for other
817 languages. However, this release has many bugs and is more of a development
818 snapshot than a usable release.
820 What's new in at-spi2-core 1.91.2:
822 * The desktop object now returns ROLE_DESKTOP_FRAME rather than ROLE_UNKNOWN.
825 What's new in at-spi2-core 1.91.0:
827 * --disable-relocate is the default again.
829 What's new in at-spi2-core 0.3.92:
831 * Do not start accessibility bus if at-spi-corba is enabled.
833 What's new in at-spi2-core 0.3.91:
835 * Enabled the accessibility bus, so apps should be accessible, for instance,
836 if an application becomes setuid root.
838 * Several build fixes.
840 * Default to --enable-relocate for now.
842 What's new in at-spi2-core 0.3.90:
844 * FDO#29427: Registering for mouse:abs now works.
846 * Add methods/signals to allow an application to track the events that are
847 being listened to to avoid unnecessarily emitting signals.
849 What's new in at-spi2-core 0.3.4:
851 * Added GetChildren to the spec.
853 What's new in at-spi2-core 0.3.3:
855 * Add return values to some functions that were missing them.
857 * Make DeviceEventListener notifiers reentrant so that an application can
858 query the desktop object while processing a device event.
860 * Fix for FDO#28300: fails to link with pedantic linkers.
862 * Fix crash if GetChildAtIndex is called with an invalid index.
864 What's new in at-spi2-core 0.3.2:
866 * Make sure that disconnecting applications send their root path in the
867 remove applications signal. This was causing applications to not be
868 removed from the desktop properly.
870 What's new in at-spi2-core 0.3.1:
872 * Set an application's Id when registering it.
874 * Disabled relocation by default.