[atk] Add ATK_ROLE_CONTENT_DELETION and ATK_ROLE_CONTENT_INSERTION

[Joanmarie Diggs <joanied src gnome org>]

commit e3856ee2d8740149853c2df57b25074edcd0e383
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Jun 14 10:05:48 2019 -0400

    Add ATK_ROLE_CONTENT_DELETION and ATK_ROLE_CONTENT_INSERTION

 atk/atkobject.h | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/atk/atkobject.h b/atk/atkobject.h
index 56dfb2f..d196114 100644
--- a/atk/atkobject.h
+++ b/atk/atkobject.h
@@ -218,6 +218,12 @@ G_BEGIN_DECLS
  *@ATK_ROLE_SUPERSCRIPT: An object that contains text that is displayed as a
  * superscript. @Since: ATK-2.16.
  *@ATK_ROLE_FOOTNOTE: An object that contains the text of a footnote. @Since: ATK-2.26.
+ *@ATK_ROLE_CONTENT_DELETION: Content previously deleted or proposed to be
+ * deleted, e.g. in revision history or a content view providing suggestions
+ * from reviewers. @Since: ATK-2.34.
+ *@ATK_ROLE_CONTENT_INSERTION: Content previously inserted or proposed to be
+ * inserted, e.g. in revision history or a content view providing suggestions
+ * from reviewers. @Since: ATK-2.34.
  *@ATK_ROLE_LAST_DEFINED: not a valid role, used for finding end of the enumeration
  *
  * Describes the role of an object
@@ -351,6 +357,8 @@ typedef enum
   ATK_ROLE_SUBSCRIPT,
   ATK_ROLE_SUPERSCRIPT,
   ATK_ROLE_FOOTNOTE,
+  ATK_ROLE_CONTENT_DELETION,
+  ATK_ROLE_CONTENT_INSERTION,
   ATK_ROLE_LAST_DEFINED
 } AtkRole;