Gets whether the buffer is saving modifications to the buffer
to allow for undo and redo actions.
See [method@Gtk.TextBuffer.begin_irreversible_action] and
[method@Gtk.TextBuffer.end_irreversible_action] to create
changes to the buffer that cannot be undone.
Gets whether the buffer is saving modifications to the buffer to allow for undo and redo actions.
See [method@Gtk.TextBuffer.begin_irreversible_action] and [method@Gtk.TextBuffer.end_irreversible_action] to create changes to the buffer that cannot be undone.