[orca] Add comment, insertion, deletion, mark, and suggestion to text block roles

[Joanmarie Diggs <joanied src gnome org>]

commit 0f283b86a2f81a841b9fcae2b26e99133c67b5ad
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Feb 27 15:00:40 2020 +0100

    Add comment, insertion, deletion, mark, and suggestion to text block roles

 src/orca/scripts/web/script_utilities.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index 8be9d8d64..f3f59f866 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -1912,6 +1912,7 @@ class Utilities(script_utilities.Utilities):
         roles = [pyatspi.ROLE_ARTICLE,
                  pyatspi.ROLE_CAPTION,
                  pyatspi.ROLE_COLUMN_HEADER,
+                 pyatspi.ROLE_COMMENT,
                  pyatspi.ROLE_DEFINITION,
                  pyatspi.ROLE_DESCRIPTION_LIST,
                  pyatspi.ROLE_DESCRIPTION_TERM,
@@ -1930,6 +1931,20 @@ class Utilities(script_utilities.Utilities):
                  pyatspi.ROLE_TEXT,
                  pyatspi.ROLE_TABLE_CELL]
 
+        # Remove this check when we bump dependencies to 2.34
+        try:
+            roles.append(pyatspi.ROLE_CONTENT_DELETION)
+            roles.append(pyatspi.ROLE_CONTENT_INSERTION)
+        except:
+            pass
+
+        # Remove this check when we bump dependencies to 2.36
+        try:
+            roles.append(pyatspi.ROLE_MARK)
+            roles.append(pyatspi.ROLE_SUGGESTION)
+        except:
+            pass
+
         return roles
 
     def mnemonicShortcutAccelerator(self, obj):